Not until _____ his shoes did he enter one of the rooms of the Japanese house.
| A．he removes | B．did he remove |
| C．he had removed | D．had he removed |
On the long journey, Peter ________ a most interesting guide. We all had a wonderful time.
| A．practiced | B．behaved | C．proved | D．conducted |
__________ entered the office when he realized that he had forgotten his report.
| A．He hardly had | B．Had he hardly |
| C．Hardly had he | D．Hardly he had |
For many Beijingers, dreams of living in ___________ green area are becoming___________ reality.
| A．a; a | B．the; the | C．不填; 不填 | D．不填;a |
It is generally considered unwise to give a child___________ he or she wants.
| A．however | B．whatever | C．whichever | D．whenever |
—Can I drive on the free way, Mr. Green?
—You can when you____________ a bit more skilled.
| A．will get | B．are getting | C．will have got | D．get |