—_______healthy, you should take more exercise.

A. Keep B. Keeping C. To keep D. Having kept

A. are eating B. is eating C. eat

A. at B. with C. to D. of

【题目】My grandpa likes collecting stamps in his spare time.
A.secret
B.free
C.busy

A. come on B. come along

C. come up D. come over

— Twenty minutes’ walk.

A. How far B. How long C. How soon

—________ onion and two eggs，please.

A. A B. An C. / D. The

【题目】Our teachers do whatever they can for us. They think that's their duty.
A.nothing
B.something
C.anything

A. the; a B. a; the

C. the;不填 D. a;不填

【题目】I'm looking for a bank , but I can't find ____
A.it
B.one
C.this
D.that