( ) (4) I often swim _______ weekends.A. at B. in C. on
Look ________ the blackboard! A.at B./ C.to
—— _________ is it? ——It’s red. A.What B.Where C.What colour
How many ________do you have? A.math books B.math book C.a math book
Let______clean the board. A.me B.my C.I
Mike: Nice to meet you. John: _____________________. A.Nice to meet you,too. B.Good morning. C.Hi