—What’s your impression of the Great Wall?
—Wonderful! Once , it can never be forgotten.
| A．seen | B．seeing | C．being seen | D．saw |
After the war, a new school building was put up ___________there had once been a theatre.
| A．that | B．where | C．which | D．when |
—What was the party like?
—Wonderful. It’s years __________I enjoyed myself so much.
| A．after | B．before | C．when | D．since |
He didn't make ______ clear when and where the meeting would be held.
| A．this | B．that | C．it | D．these |
It is said that Mo Yan's hometown is the place ____ has inspired him throughout his writing career．
| A．in which | B．where | C．that | D．what |
My new computer has ______ the old one．
A．twice as much memory asB．as twice much memory as
C．twice memory as much as D as much twice memory as