Whatever is left over may be put into the refrigerator, ________ it will keep for two or three weeks．

when

which

where

while

Stand over there, ________ you will get a better view of the whole city．

or

and

but

though

Do you know ________?

what he's looking for

what is he looking for

what does he look for

he is looking for what

He could have finished it on ________, but somehow he fell behind．

command

schedule

attitude

rescue

The prize will go to the writer ________ story shows the most imagination．

that

which

whose

what

He won't let you down; He's ________．

grateful

reliable

official

gradual

I've won a 7-day holiday for two to Thailand and I _______ my mum．

have taken

take

am taking

had taken

The time I spend in surfing the Internet every day ________ three hours．

adds up to

adds up

adds to

add up to

There is ________ Miss Doolittle waiting for you at ________ school gate, Alex．

a;\

\; a

the; a

a; the

He is only too ready to help others, seldom, ________, refusing them when they turn to him．

if never

if ever

if any

if so