A warm thought suddenly came to me _________ I might use the pocket money to buy some flowers for my mother’s birthday．

if

when

that

which

These teenagers don’t know much of the world yet; that’s why they are so easily _________．

taken in

taken on

taken up

taken over

It takes more than knowledge and intelligence to _________ a good researcher．

make

turn

get

grow

We _________ that the magazines you have borrowed be returned to the school library before the end of this month．

hoped

permitted

wished

required

Look! Tom is too sleepy to work．He _________ up watching TV．

mustn't have stayed

shouldn't have stayed

mustn't stay

ought not to say．

Hardly _________ he got out of the court _________ the reporters raised a lot of questions to him．

had; when

had; than

did; when

has; than

Perhaps the day will come _________ people will be able to breathe clean air in cities．

when

while

as

since

Modern forms of transportation and communication have done much to _________ the isolation(隔离)of life in Alaska．

break down

break out

break into

break through

I can _________ the house being untidy, but I hate it if it’s not clean．

come up with

put up with

turn to

stick to

_________ Kunming you see today is quite _________ different city from what it used to be．

The, 不填

不填, a

The, a

A; a