__________ it rain, the crops_____________.

A. Shall,would be saved              B. Should, would be saved

C. Would, should be safe             D. Were, might be safe

--I can't find Mr. Smith.   --It was in the hotel___________ he stayed.

A. that         B. where         C. which     D. since

--Thank you very much.  

 --Not at all , I was____________ glad to help.

   A. too       B. only too    C. not so    D. much

Many people have been ill from a strange disease these days,_________ we’ve never heard of before.

    A. one    B. that   C. it    D. this

_____ three influenza type A virus subtypes(子类型) have been found in pigs.

   A. By far       B.As far as              C.So far               D. Till far

He is only too ready to help others, seldom, ____, refusing them when they turn to him.

A、if never       B、if ever         C、if not  D、if any

——Tom, you are caught late again.

    ——Oh, ____.

A、not at all   B、just my luck

C、never mind   D、that’s all right

The young man we followed stopped and looked as if ________ whether he was going in the right direction.

A. seeing B. to have seen C. having seen      D. to see

—Who would you like to see at the moment?

—The man ________ Mr. Grant.

A. called himself    B. we call him    C. calling himself   D. is called

— Did you happen to see _______ black and _______ white cat?

— Are they missing? I told you to take care of them.

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