The selection calls the vacuum tubes the electronic computer"s （）.
A. nerve cells
B. brain
C. nervous system
D. heart
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I had not expected Rose to come and see me, but I had hoped ______.
A. that she could have phoned me
B. her to phone
C. her calling
D. that she call me
By this time tomorrow, perhaps I ______ reading the book.
A. will finish
B. will have been finished
C. will have finished
D. have been finished
______ help me, I had to do it all alone.
A. There is no one to
B. There being no one to
C. Being no one
D. With no one
I suppose you are not serious, ______
A. do I
B. don"t you
C. are you
D. aren"t you
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