This machine is very easy . Anybody can learn to use it in a few minutes.
A．operating B．to be operating C．operated D．to operate
My sister met him at the cinema yesterday afternoon, so he your lecture.
A．couldn’t have attended B．needn’t have attended
C．mustn’t have attended D．shouldn’t have attended
_____ many times, he finally understood it.
A．Told B．Telling C．Having told D．Having been told
We are invited to a party _________in our club next Friday.
A．being held B．held C．to be held D．holding
You can’t catch me!” Janet shouted, _______ away.
A．run B．running C．to run D．ran
____people _____were killed or injured reached more than 400,000
A．The number of ,who B．A great number of, who
C．The number of, which D．A great number of, whom
