As time went by, they found their efforts to help students ________．

showed off

took off

put off

paid off

My sister was against my suggestion while my brother was ________ it．

in honor of

in memory of

in search of

in favor of

More than 100 students have entered for the competition and ________ gains the most points will be the winner．

anyone

the one

that

whoever

We have phoned her several times, but unfortunately she is still out of ________．

order

control

sight

reach

A; a

The; 不填

A; 不填

The; the

Would you mind not picking the flowers in the garden? They are ______ everyone's enjoyment．

in

at

for

to

Up to now, the program ______ thousands of children who would otherwise have died．

would save

saves

had saved

has saved

First impressions are the most lasting．After all, you never get ______ second chance to make ______ first impression．

a; the

the; the

a; a

the; a

Part of the reason Charles Dickens loved his own novel, David Copperfield, was ______ it was rather closely modeled on his own life．

what

that

why

whether

It took me a long time before I was able to fully appreciate what they ______ for me．

had done

did

would do

were doing