I was _________ in the middle of my call because I had no more coins to put in the box．

A．cut off

B．broken in

C．hung up

D．put down

The couple tried every effort to _________ the judges, who tried the cases, of their innocence(清白)only _________ in the contrary．

A．prove; to result

B．charge; resulting

C．convince; to result

D．confirm; resulting

He’s perfectly ________ to live in the mountain and paint pictures all day, though he is badly off．

A．curious

B．proud

C．anxious

D．content

The man was walking along the street _________ he stopped and looked as if ________ whether he was going in the right direction．

A．when; seeing

B．when; to see

C．while; seeing

D．while; to see

He wondered if he could slip out of the lecture hall without anyone ________．

A．noticing

B．noticed

C．to notice

D．being noticed

A balloon _________ as it is filled with air．

A．is increased

B．increases

C．expands

D．is expanded

As we drew closer, I could see a whale _________ by a pack of about six other killers．

A．attacking

B．being attacked

C．attack

D．to attack

So I’ve included some photos, _________ will help you picture the places I talk about．

A．that

B．which

C．where

D．in which

We didn’t know you were in trouble at that time, _________ we would have given you a hand．

A．while

B．when

C．otherwise

D．therefore

The teacher as well as all the boys _________ to play basketball every Sunday afternoon．

A．is going

B．go

C．goes

D．are going