—Jack fell off the ladder yesterday，but he is all right now.
—What a lucky dog! He________ himself badly.
A．should injure B．might injure
C．should have injured D．could have injured
The children, _____ had played the whole day long, were worn out.
A. all of what B. all of them
C. all of whom D. all of which
Shakespeare’s play Hamlet ______ into at least ten different films over the past years.
A. had been made B. has been made
C. was made D. would be made
Let’s _____ our personal feelings for now, and get to our business.
A. set up B. set off C. set about D. set aside
—Is there any possibility _________ you could pick me up at the airport?
—No problem.
A．when B．whether C．that D．what
________I was in trouble, he would come to help me out.
A. Every time B. The first time
C. for the first time D. Next time
