But for their help, we ________ the program in time．

can not finish

will not finish

had not finished

could not have finished

Daniel's family ________ their holiday in Huangshan this time next week．

are enjoying

are to enjoy

will enjoy

will be enjoying

Gun control is a subject ________ Americans have argued for a long time．

of which

with which

about which

into which

Nine in ten parents said there were significant differences in their approach to educating their children compared with ________ of their parents．

those

one

both

that

Some people fear that ________ air pollution may bring about changes in ________ weather around the world．

/; the

the;/

an; the

the; a

I met him very late on Friday night, ________, early Saturday morning．

at the latest

on the whole

in a word

or rather

－So how long have you been in Beijing?

－Just a couple of days．I'm on a great tour, you know, and I ________ all the places of interest here．

visited

am visiting

have visited

have been visiting

When foreign people talk about the cities of China, the first ________ comes into their mind is Beijing．

city

one

that

scene

－Would you like to work in my company?

－Sorry, I'd rather ________ here, but I'd rather my brother ________ to your company．

staying; goes

to stay; to go

to stay; went

stay; went

－What happened to you on your way back to the hotel last night?

－I lost my way in complete darkness and, ________ things worse, it began to pour．

making

to make

made

having made．