With the country’s population reaching 1.6 billion in the mid of this century, most of China’s rivers, including the Yellow River, _______

With the country’s population reaching 1.6 billion in the mid of this century, most of China’s rivers, including the Yellow River, ________.

#102803

is drying up

will be drying up

dry up

have dried up

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Rainforests __________ and burned at such a speed that they will disappear from the earth in the near future.

#102777

cut

are cut

are being cut

had been cut

 --- One of you will have to go there besides me. --- Who would you rather _____ there with you. Tom or I?

#103659

have to go

to go

went

The old man was taking a walk, ____ by his grandson.

#104560

supporting

supported

being supported

having supported

I got caught in the rain and my suit______.

#102751

has ruined

had ruined

has been ruined

had been ruined

. --- Is Tom still smoking?　--- No. By next Saturday he ______ for a whole month without smoking a single cigarette.

#104265

will be

will have gone

will have been

has been going

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