1 . With rural ecosystem improving, the number of tourists to villages ________ year by year.

A．have increased

B．increases

C．is increasing

D．are increasing

2 . Arriving too early to a dinner party could appear slightly rude if the host ________ their preparations.

A．completes

B．is completing

C．completed

D．has completed

3 . The number of visitors ______ steadily since the reopening, despite a sharp decline compared to normal years.

A．has risen	B．is rising
C．had been rising	D．has been rising

4 . China’s maternal and infant goods e­commerce platforms ________ heavily and speeding up their steps to expand offline channels.

A．invest

B．are investing

C．are invested

D．have invested

5 . Mr.White works with a chemical import-export company,but he________for this industrial exhibition, since he is on leave.

A．has worked

B．works

C．has been working

D．is working

6 . I hate to say this but you need to stop doing things like this because they __________ me all the time.

A．disturb

B．have disturbed

C．disturbed

D．are disturbing

7 . Everyone wants to live on the top of the mountain, but growth occurs while you _____ it.

A．climbed

B．have climbed

C．are climbing

D．have been climbing

8 . — Do you like your new place?
— Yes,I do.But it's a little far from my college,and the traffic____________me.

A．killed

B．has killed

C．had killed

D．is killing

9 . — Fancy meeting you here! Are you a librarian?
— Not really. I________my volunteer effort until the new term begins.

A．will just contribute

B．have just contributed

C．just contribute

D．am just contributing

10 . I have so many clients who believe that cutting their hair helps it grow. Actually, for every few inches you’re cutting, you ______ months to the growing time.

A．have added

B．will have added

C．add

D．are adding