___ nice, the food was sold out soon.

A. Tasted        B. Tasting        C. To taste    D. Being tasted

 What ______ public is concerned about is whether medical workers and scientists will be able to find for this new disease in a short time.

A.不填;不填  B.不填;the    C. the;不填   D.the;a

Messages ______ be changed from sound into electricity before they ______ be sent by radio.

A. must; will   B. have to; can      C. can; must    D. need; may

Professor Smith, many students want to see you. __________ they wait here or outside?

A. Do       B. Shall       C. Will       D. Would

 —Such a mistake could have been avoided.

   —Unfortunately, he _______ the mistake again and again.

   A．repeated　　　　　　　　　　           B. would repeat

   C．had repeated　　　　　　　　            D. would have repeated

Mrs Black isn’t in and I’ll have to ring ______. I would appreciate it if you ring _____ after 6 o'clock?  

A. off; back     B. up; off     C. out; up    D. back; off

.I would be very glad to help, ___ I’m going away on business.

        A.and     B.or    C. for      D.only

___ ,she is experienced.

        A.As she is young           B.Young as is she

C.Young as she is           D.Though she was young

 ---Whose advice do you think I should take?

---_______.

A.You speak  B.That's it C.It's up to you  D.You got it

I hope you don't mind me ______ you sir, but is there much money involved in the will?

    A.asking         B.to ask          C. ask          D. that I ask