1 . — Could you tell me _______ you’d like me to pay you？
— You’d better use mobile payment. I don’t care _______ it is Ali Pay or WeChat Pay.

A．how; whether

B．how; why

C．what; whether

D．what; why

3 . 我正在考虑是吃鱼肉还是吃牛肉。
I'm wondering ________ to have the fish __________ the beef.

4 . ________ you like swimming, fishing ________ boating, you'll have fun in the water park.

A．Whether; or

B．Neither; nor

C．Either; or

D．Both; and

5 . 不管你去还是留，你应该在8点前给我打电话。
________ you go ________ stay, you should call me before 8:00.

6 . The words “racecar”, “kayak” and “level” are the same ________ they are read left to right or right to left.

A．since

B．though

C．unless

D．whether

7 . I don't remember w__________ I have left my keys at home or in the office.

8 . ________it’s summer________ winter, Mount Huang is well worth visiting.

A．Both; and

B．Not only; but also

C．Neither; nor

D．Whether; or

9 . It is possible to tell ________a person is American or British by listening to his or her speech.

A．who

B．whether

C．how

D．whom

10 . We will go out________it rains________shines.

A．if;and

B．both;and

C．whether;or

D．either;or