Over the past decades, the population in this country because of the rising birth rate, immigration and the declining death rate.

 Over the past decades, the population in this country      because of the rising birth rate, immigration and the declining death rate.

#99064

has been increasing

have been increasing

had increased

have increased

推荐题目

—Did you enjoy your holiday?—Yes, it’s the best holiday I ________ these years.

#104759

had

have had

had had

would have

The pupils here_____ all kinds of exercises every day in the past few weeks.

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keptbusydoing

keepondoing

havekeptbusydoing

havebeenkeptbusydoing

Had I known the party was so boring, I wouldn’t have come. I __anything.

#100793

hadn’t done

haven’t done

didn’t do

wouldn’t do

Your desk is covered with too many unnecessary things, including used papers and books. You’d better ________ some of them.

#101200

remain

replace

remove

renew

 Now we have arrived at the lake. But the view I photographed that day ________ any more.

#99469

doesn't exist

isn't existing

hasn't existed

hadn't existed

共5993题