—Do you mind if I open the window?
— ____________.
| A．Yes, please | B．No, but I do | C．No, go ahead | D．No, you’d better not |
So_____ that all the living things died out gradually.
A serious polluted the lake is B serious polluted is the lake
C seriously polluted the lake isD seriously polluted is the lake
Don’t be too rude to your father. Never in his life_____ in that way.
A has he spoken to B he has spoken toC has he been spoken to D he has been spoken to
. --- ____ for the tree tickets，I would not have gone to the film so often.
| A．If it is not | B．Were it not | C．Had it not been | D．If they were not |
--- ___it rain tomorrow， we would have put off the visit to the Yangpu Bridge.
| A．Were | B．Should | C．Would | D．Will |
He is the only one of the students who _________ a winner of scholarship for 3 years.
| A．is | B．are | C．have been | D．has been |