.(全国卷II 11).Though ______ to see us，the professor gave us a warm welcome。
A. surprise B was surprised C. surprised D. being surprised
The baby is due in May．________________the new house should be finished．
| A．by then | B．by which | C．by when | D．since when |
My headache _________ me．I thought it was going away, but it’s getting worse and worse．
| A．killed | B．kills | C．is killing | D．was killing |
What I need is ___________ book that contains _____ ABC of English grammar．
| A．a; the | B．the; 不填 | C．the; an | D．a; 不填 |
—Did he come back late last night?
—No．It was not yet eight o’clock _____________ he arrived home．
| A．before | B．that | C．until | D．when |
—You just think of yourself! You kept me wailing for at least three hours．
—I’ m sorry that you _____________ think so．
| A．would | B．should | C．could | D．might |