2 . The children failed to hide their disappointment when they found out the school________ the party.

A．cancels	B．will cancel
C．has cancelled	D．had cancelled

3 . Currently, about 35,000 works ________ in over 300 rooms in the Louvre, and it would take a lifetime to see everything.

A．were displaying	B．are displaying
C．were being displayed	D．are being displayed

4 . ---Do you know if he _______ to play basketball with us?
   ---I think he will come if he ______ free tomorrow.

A．comes; is

B．comes; will be

C．will come; is

D．will come; will be

5 . We ________ quite enough work for the morning; now let's take a break.

A．have done

B．will do

C．had done

D．were doing

6 . So far, large amounts of money ________ for those whose houses were damaged by the powerful typhoon (台风).

A．have been collected

B．has been collected

C．was collected

D．were collected

7 . Good evening, everybody. Professor King ________ his lecture in a moment, but let me introduce him first.

A．delivered	B．will be delivering
C．was delivering	D．has been delivering

8 . The number of medical schools reached 18 in the early 1990s and ______ around that level ever since.

A．are remaining	B．have remained
C．is remaining	D．has remained

9 . Mark is a genius. By the time he graduated, he ________ jobs by a dozen computer companies.

A．has offered	B．has been offered
C．had offered	D．had been offered

10 . It doesn't impress like George Washington's plantation on the Pohomac, but Lincoln's home in downtown Springfield, Illinois, ________ (prove) irresistible to visitors since it opened to the publie. （所给词的适当形式填空）