－May I open the window to let in some fresh air?

－_________．

A．Come on

B．Take care

C．Go ahead

D．Hold on

－Jimmy had a lot of parties recently．

－Yes, that might _________ why he didn’t do well in the test．

A．sum up

B．add up to

C．account for

D．count on

－Maggie had a wonderful time at the party．

－_________, and so did I．

A．So she had

B．So had she

C．So she did

D．So did she

－Did Jack come back early last night?

－Yes．It was not yet eight o’clock ________ he arrived home．

A．before

B．when

C．that

D．until

－What else do we need for this trip besides food to eat and special clothes to wear?

－A tent _________ in．

A．sleep

B．sleeping

C．to sleep

D．slept

－How was the journey?

－Tiring! I caught the train at the last second but all the seats _________．I stood all the way．

A．had been occupied

B．had occupied

C．would occupy

D．would be occupied

－Jack, _________ you behave yourself? You’re no longer a kid．

－Sorry, Daddy．It won’t happen again．

A．mustn’t

B．can’t

C．should

D．would

－Here’s your paycheck for this month．

－Ah, that’s music _________ my ears!

A．to

B．for

C．in

D．at

－Have you finished all your exercises?

－Yes, _________ is left．As a matter of fact, they are as easy as ABC．

A．nothing

B．not one

C．none

D．neither

－Has your father come back from Africa?

－Yes, but he _________ here for only three days before his company sent him to Japan．

A．was

B．has been

C．will be

D．would be