The old teacher lay wide awake on his bed, ___________ all the problems he had to deal with the next day.
E-mail English is a new kind of written English that ______to save time. A be being used B was being used C being used D is being used
The hard-working farmers and their happy life _____ we saw in the countryside made a wonderful impression on us.
The radio you had got ______ went wrong again.
---Why did the teacher get angry? --- __________ what we had done the day before.
Did you ask whose computer ______________ ?