用括号内所给动词的适当形式填空。

1.I ________ (read) a novel last night when I heard knocks at the door.

2.The young man ________ (live) alone since he graduated from college.

3.Be careful ___________ (not fall) off the ladder.

4.The actor and director ________(be) coming to give us a speech next weekend.

5.I overslept this morning. By the time I got to the train station, the train ________ (leave).

补全对话（共5小题；每小题2分，满分10分）

A: Hi! Sue. You look stressed out. 1.                                   ?

B: I overslept this morning. And I didn’t catch the school bus.

A:2.                                   ?

B: Yes, I was. By the time I got to school, my teacher had started teaching already.

A:3.                                   ?

B: He asked me to go to his office after school.

A: I’m sorry to hear that. By the way, will you be free this Sunday? Let’s go out and have fun.

B:4.                                   ?

A: How about the new mall on Oak Street?

B:5.                                   ?

A: Yes, I think it is a good place. After all, there are so many products and they are all cheap.

用括号内所给动词的适当形式填空。

1I ________ (read) a novel last night when I heard knocks at the door.

2 The young man ________ (live) alone since he graduated from college.

3Be careful ___________ (not fall) off the ladder.

4The actor and director ________(be) coming to give us a speech next weekend.

5 I overslept this morning. By the time I got to the train station, the train ________ (leave).

用括号内所给动词的适当形式填空。

96. I ________ (read) a novel last night when I heard knocks at the door.

97. The young man ________ (live) alone since he graduated from college.

98. Be careful ___________ (not fall) off the ladder.

99. The actor and director ________(be) coming to give us a speech next weekend.

100. I overslept this morning. By the time I got to the train station, the train ________ (leave).

--Why were you late this morning?

--I was _________ I overslept．

A．because of    B．because    C．why    D．what