—____________you swim? —Yes，but I’m not a good swimmer.
A. Can B. May C. Need D. Must
Mr. Green ____________ to the manager now. You’d better call him later.
A. talk B. talked C. is talking D. was talking
Tian’anmen Square is one of ____________ squares in the world.
A. large B. larger C. largest D. the largest
There ____________ many students in the library after school every day.
A. has B. have C. is D. are
Lee came to Beijing in 2005.He has been here ____________ than you.
A. long B. longer C. longest D. the longest
My sister has two skirts. One is yellow，and____________ is black.
A. other B. another C. others D. the other
