Look at Tom! What（）?

单项选择题Does he（）on weekends?

A.usually work
B.works usually
C.usually working

单项选择题They are looking（）a flat. They want one with a garden.

A.on
B.out
C.for

单项选择题A:（）is the nearest chemist's? B: On the corner.

A.What
B.Where
C.How

单项选择题Sally's parents（）come and stay with her soon.

A.are going
B.are going to
C.is going to

单项选择题David's younger brother is（）engineer

A.a
B.an
C.the