To the foreigners, the Great Wall is worth ______.
A.pay a visit B. paying a visit
C. paying a visit to D. being paid a visit to
It ___ we had stay together for a couple of weeks ___ I found we had a lot in common.
A.was until; when B was until; that
C. wasn’t until; when D. wasn’t until; that
No one can walk the wire in the air without a bit of fear unless ___ very young.
A.having trained B. trained
C. to be trained D. being trained
Neither the old lady nor her cats ___ out of the house since her husband passed away last month.
A.was stepping B. have stepped
C. stepped D. has stepped
After supper, he usually stood near the window, ___ he could see the tower, the tallest building of the town.
A.from which B. from where
C. on which D. on where
Jack is believed _____ his goal, who is said ____ the stage.
A.to achieve; to leave
B. having achieved; to have left
C.to achieve; having left
D. to have achieved; to have left
