[ Grammar and Preposition ]
Which preposition is commonly used to indicate the time when something happens?
A. over
B. at
C. on
D. between

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Grammar › ViewIs the verb in all caps in past, present, or future tense? My friend WILL TELL everyone at school tomorrow what we saw.
A. past tense
B. present tense
C. future tense
Grammar and Vocabulary › View
I will call you ___ I arrive at the office.
A. since
B. before
C. after
D. if
Grammar › ViewChoose the correct answer for the gap:
How long ___________ this book?
A. have you used
B. have you been using
Grammar › View
First you need to add the flour to the bowl. ___________, add the salt and the baking soda.
A. For example
B. After that
C. Likewise
