1 . —Have you planned your National Day holiday?
—No, I haven't, I'm not sure ________ to visit my parents.

A．that

B．whether

C．if

D．why

2 . I don’t doubt ________ he will come in the coming year.

A．whether

B．that

C．if

D．so

3 . Do they know the answer to the question? I didn’t know. (改为宾语从句)
I didn’t know ________ the answer to the questions.

4 . Mary问我是否可以给她买一本字典。
Mary asked me ________ ________ ________ ________ a dictionary for her.

5 . I wonder________.

A．how will we do beer	B．when will we fight the virus
C．if we will have an English competition	D．what can we do for our motherland

6 . I want to know. Can they go swimming next Sunday? (合并为含有宾语从句的复合句)
I want to know ________ they can go swimming next Sunday.

7 . 用if, whether, when, 或how完成下列宾语从句
1. Can you tell me ________ we will have the meeting this afternoon?
2. I can't say ________ he will come on time or not.
3. She asked me ________ I could help her with her English.
4. I really don't know ________ you made the model ship by yourself.
5. —Do you know ________ the train leaves?
—Yes. It leaves at nine o'clock.

8 . My son will go to New York for further study. I am wondering ________ he ________ miss me or not.

A．if; would

B．whether; will

C．if; should

D．whether; should

9 . "Is it the first boys­only school in the city?"asked a parent.(改为宾语从句)
A parent asked ________ it ________ the first boys­only school in the city.

10 . —The Dragon Boat races are so exciting, but our boat is still behind.
—Don’t worry. I’m sure ________ our team will win!

A．if

B．that

C．whether

D．why