①.I don't know who is the girl.Why not ()your friend?A.ask B.asking C.asks D.to ask②.（）smoke.A,Not B,NO C.Don't D.Does③.There are about nine ()workers in the factory,but only ()of them is man.A.hundred:one B.hundreds:a few C.hundred:several D.hundreds of:a few④.They went to ___(海滨）last year .⑤.I spent two hours __（do) my homework yesterday morning.⑥.Please tell her ___(not come) here.⑦.He was born(in 1980).(就括号内提问）_____________?

1. B    why not doing sth
   

2. C    祈使句

3. A

4. beach

5. doing

6. not to come

7. When was he born？
   

1。A
2。C
3。A
4。the beach
5。doing
6。not to come
7。When was she born

1. A 是祈使句，动词原形开头。 没注意前面有why not.  这不是祈使句。why not do sth

2. C也是祈使句，否定式用don't 开头

3. A  说一百和几百hundred后面都是用单数。如：5 hundred  后面为什么选one不选 several是因为be动词用的是单数is

4. the beach

5. doing

6. not to come

7. When was he born?

为你解答。
①.（A）I don't know who is the girl. Why not (ask) your friend?
②.（C. Don't）smoke.
③.（A）There are about nine (hundred) workers in the factory,but only (one) of them is man.
④.They went to (seaside，海滨）last year .
⑤.I spent two hours （doing) my homework yesterday morning.
⑥.Please tell her (not to come) here.
⑦.He was born (in 1980).(就括号内提问）
When was he born？

A
解析：why not do sth. 

B
解析：No smoking 禁止吸烟

A
nine + hundred 900; is 是单数,用 one

beach

doing
结构：spend..doing

not to come
结构：tell sb.not to do sth

.When was he born







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