A. always B. usually C. sometimes D. never

-- Yes, they're ______ our nation.

A. proud of B. pleased with

C. the pride of D. known for

A. on a train B. take a train C. by train D. take train

A. over B. 不填

C. to D. across

A. with B. to

C. of D. between

---________.

A. No, I wouldn’t B. That’s all right C. Yes, please D. Yes, I would

A. helpful B. general

C. private D. silent

A. get home B. get dressed C. get lost D. get up

A. the; the B. /; the C. the; / D. /; /

【题目】The boy is not old enough to work in the field.
A.old enough not to
B.so young to
C.too young to