1 . —Why is there so much noise in the classroom?
—A wonderful New-Year-Day party________there.

A．is held

B．is holding

C．holds

D．is being held

2 . The young man is unhappy recently because he ________ to give his wife money.

A．is always being asked	B．is always asking
C．has always been asked	D．has always been asking

3 . The gray building is where the workers are living, and the white one is where the spare parts _______.

A．are producing	B．are being produced
C．produced	D．had been produced

4 . At present, a large number of wild animals ________ at the nature reserve in Sichuan Province.

A．is protecting

B．is being protected

C．are protecting

D．are being protected