1 . – I’m wondering _________ at a low price.
- You can book one through our official APP.

A．how I can buy the air ticket	B．how can I buy the air ticket
C．when I can buy the air ticket	D．when can I buy the air ticket

2 . —I hope I can take part in the game show Who is Still Standing and win something.
—Stop daydreaming. You will win nothing ________ you spend a few months preparing for it.

A．since

B．unless

C．if

D．because

3 . —Do you like the movie ________ is called The Battle at Lake Changjin?
—Sure. I think no movie is ________ than it.

A．that; more touched

B．what; less touching

C．that; more touching

D．which; less touched

4 . I can’t hear _____ you were saying _____ the noise.

A．how;because of

B．whether;because

C．that;though

D．what; because of