Correct Option: BExplanation: The correct answer is 'by the time'. It means the same thing as 'by'. Both mean 'before' or 'at'. We use 'by' with specific times of the day, days, months, and years. We use 'by the time' with a verb (in this example: get home)
Q: I will live in Paris ______________April. Then I will move to Canada.
A.by
B.until
C.by the time
Correct Option: BExplanation: 'Until' is the correct answer. The situation (live in Paris) will continue up to April. After April, the situation stops (I stop living in Paris) and I move to Canada.
Q: My goal is to lose five pounds __________ May.
A.into
B.by
C.until
D.by the time
Correct Option: BExplanation: 'By' is the correct answer. 'By' means before. I want to lose five pounds before May.
Q: I study at school _________ 3:30 pm. Then I take the bus home.
A.by
B.until
C.by the time
Correct Option: BExplanation: 'Until' is the correct answer. The situation (study at school) continues up to 3:30 pm. After 3:30 pm, the situation (studying) stops.
Q: You must return your book ___________ December 29th.
A.by
B.until
C.by the time
Correct Option: AExplanation: 'By' is the correct answer. We use 'by' when something will happen at or before a certain moment. In this example, we use 'by' to show that you need to return the book before or on December 29th. You cannot return the book after December 29th.
Q: Last night, I worked _____________ 8 pm. Then I went home.
A.by
B.until
C.by the time
Correct Option: BExplanation: 'Until' is the correct answer. We use 'until' when a situation (in this example the situation is work) continues up to a certain moment (8 pm). The situation is finished after the moment. In this example, until shows that I was not working after 8 pm.
Q: You must finish your homework _____________ Monday morning.
A.by
B.until
C.by the time
Correct Option: AExplanation: 'By' is the correct answer. You must finish your homework before or on Monday morning.
Q: The weather report says it will rain _____________ Tuesday. After Tuesday, the rain will stop.
A.by
B.until
C.by the time
Correct Option: BExplanation: The correct answer is 'until'. The situation (rain) will continue up to Tuesday. Then the rain stops. With 'until' the situation always stops after the moment (in this example, the moment is Tuesday).
Q: I will arrive at the party _____________ 9 pm.
A.by
B.until
C.by the time
Correct Option: AExplanation: 'By' means before or at 9 pm. I will arrive at the party either before or at 9 pm. I will arrive no later than 9 pm.
Q: The movie will be over _____________ we arrive at the theatre.
A.by
B.until
C.by the time
Correct Option: AExplanation: 'By the time' is the correct answer. It means before or at the same time. It has the same meaning as 'by'. We use 'by the time' before a verb (in this example, the verb is arrive).
am, is, are - Quiz 15 
was, were - Quiz 
as, an, for - Quiz 20 
all, most, some, none - Quiz 12 
By or With - Quiz