---Mr. White didn’t come last night, did he? ---No. We for him. A whole night was wasted. A. had waited B. have been waiting C. were waiting D, had been waiting
We work together to achieve our common purpose:_________world that is safer, cleaner and healthier than one we found.
Boris has brains. In fact, I doubt whether anyone in the class has ____ IQ.
William’s first stop was in _____ is a small town under the Himalayas.
_______ you feel exhausted after the long tiring journey, you may as well take a good rest at home.
----Would you mind if I turned off the light? ----____________.