—Hi, Li Xiaoxia. What a surprise! Dad _____ you _______ so early. He’s upstairs reading. I’ll just call him.
| A．didn’t know; would come | B．doesn’t know; are coming |
| C．hadn’t known; were coming | D．hasn’t known; will come |
He looked as though he _________ a ghost（鬼）.
| A．saw | B．has seen | C．have seen | D．had seen |
He stood for an instant with his hand still ___________.
| A．raised | B．raising | C．rose | D．risen |
_____ is known to all, the age _______ children can go to school is seven.
| A．What; which | B．It; when | C．As; at which | D．Which; when |
He told me that he was very familiar _______ the surroundings there and I told him that the
people there were familiar _____ me.
| A．with; to | B．to; with | C．for; on | D．over; at |
. When the teacher came in, the student pretended ________ his lessons.
| A．to do | B．to have done | C．to be doing | D．to be done |