The reason _________ their failure you know is _________ they didn't get fully prepared for the experiment．

why, that

that, why

for, that

why, because

This picture was taken a long time ago．I wonder if you can _________ my father．

pick up

pick out

pick over

pick off

The gas tank _________ twenty gallons of gas, but now it may _________ only three gallons．

holds; contain

holds; be contained

is held; contain

is held; be contained

Johnson _________ the roll of film as soon as he arrived home

got down to wash

got down to develop

got down to washing

got down to developing

Only _________ one loses freedom _________ know its value．

when, he does

when, does he

what, he did

that, did he

Why didn't you tell me there was no meeting today? I _________ all the way here through the heavy snow．

needn't have driven

can't have driven

mustn't have driven

shouldn't have driven

The novel is _________ boring; it is, in fact, rather exciting and interesting．

anything but

nothing but

no more

all but

Why haven't you finished your homework yet? You _________ to have finished it by last Sunday．

are supposed

were supposed

are supposing

were supposing

He was very busy yesterday, otherwise he _________ to the meeting．

would come

came

would have come

had come

After that, he knew he could _________ any emergency by doing what he could to the best of his ability．

get away with

get on with

get through

get across