He did not regret saying what he did but felt that he it differently.
| A． | could express | B． |
would express
|
| C． | could have expressed | D． |
must have expressed
|
--- ________ the class done most of the work?
--- Yes, but the rest ___________ rather difficult.
| A．Has, are | B．Has, is | C．Have, are | D．Have, is |
The problem lies __________ we are now giving him a fish, not teaching him to fish.
| A．in that | B．on that | C．in which | D．on which |
We were lucky to have survived the train accident. _____, the first and last car were smashed.
| A．On top of this | B．What was worse | C．As it was | D．So it was |
Only after being attacked by the Japanese in Pearl Harbor ___in the Second World War thoroughly.
| A．had America involved | B．was America involved |
| C．America had involved | D．America was involved |
Mum, please let us, Mary and me, go to Jack’s birthday party tomorrow, ______?
| A．can you | B．will you | C．shall we | D．may we |