Drivers are warned that it is dangerous to talk on the phone while________.
| A．drive | B．driving |
| C．drove | D．to drive |
____ he drives or takes the train, he will be here on time．
| A．Whether | B．If | C．That | D．How |
--- Sorry, Joe, I didn’t mean to．
--- Don’t call me “Joe”, I’m Mr Parker to you, and ____ you forget it!
| A．do | B．didn’t | C．did | D．don’t |
--- Who told you about Dad’s illness? --- The doctor ______．
| A．in vain | B．in turn | C．by law | D．in charge |
Give me your favorite blouse and I’ll see if the dirty mark will _____．
| A．give out | B．come out | C．get out | D．run out |
--- Is the experiment difficult? --- __________, I’ll just do my bit．
A．I think so B Certainly C．Not a little D．Anything but