题目内容
() 2. 1 think Aeveryone should do Btheir part Cto keeping our school clean.
2. C—>to keep
8. Why don't you take the subway to work?
take the subway to work?
5. This book teaches US how (care) for animals.
2. —Could I go to the zoo this afternoon,Mom?(作否定回答)
—,。
9. Tom should press the sides of his nose.(对划线部分提问)
should Tom?
() 7. Do you mind Ato join us Bto help Cpick apples next week?
() 14. What Ahappened Bwith you Cyesterday?
() 9. If you have to leave,please wait the rain stops.
A. since B. if
C. until D. although
() 50. My sister has difficulty English. She can't communicate with my American friend well.
A. speak B. to speaking
C. speaking D. to speak