I don’t know with this problem. It’s too hard.A. which to do B. when to do C. what to do D. how to do 题目和参考答案——青夏教育精英家教网—

题目内容

I don’t know ______ with this problem. It’s too hard.

A. which to do B. when to do C. what to do D. how to do

练习册系列答案

相关题目

1．-Your haircut is so cool!
- （　　）

	A．	Don't say so		B．	That's right
	C．	Thank you		D．	It doesn't matter

10．My father wonders when personal computers ．（　　）

----Philip has gone to New Zealand.

--- Oh, can you tell me .

A. When did he leave B. when he is leaving

C. when he left D. when is he leaving

I won’t leave the classroom until my homework ______.

A. finishes B. is finished

C. will finish D. are finished

One morning I got up late. I quickly jumped out of the bed， washed my face， then hurried to the bus stop. As soon as I got on the bus， it started raining. Suddenly the bus stopped. Something was wrong with it. ， so I ran to school. I reached the classroom but I was all wet. The physics teacher had already begun his lesson. . All the students were a little afraid of him. I liked neither him nor his physics lessons. . “I'm very sorry， Mr. Smith. I'm late，” I said with a red face.

“It’s you， Jim，” Mr. Smith said angrily. "I've told you not to be late， but you…" he suddenly stopped and looked at my wet clothes. He turned to the class and said， "I'm very sorry， my boys and girls.” . “Now take off your wet coat and put on this one or you'll catch a cold，” he said kindly.

I went to my seat with Mr. Smith's jacket on. . I found， for the first time， physics was so interesting and how well I could understand it!

A. It was Mr. Smith

B. I had no time to wait for the next bus

C. I stood for a moment and then opened the door

D. It was a bit large for me but I felt very warm in it

E. With these words he quickly took off his own jacket and handed it to me

2．How will the man help the woman at last？（　　）