( ) 1. ---Why do you like monkeys? ---Because ______ are smart.
A. they B. them C. their D. theirs
( ) 2. ---Can you play ______ chess?
--- No, but I can play ______ piano.
A. the; the B. the; / C. /; the D. /; /
( ) 3. We want someone to help the kids ______ their study.
A. at B. for C. in D. with
( ) 4. --- What’s that terrible noise downstairs?
--- The children ______ a party now.
A. have B. has C. is having D. are having
( ) 5. --- ______ is it from your home to the bookstore?
--- About 10minutes’ ride.
A. How far B. How much C. How long D. How often
