—Is your father at home?
—No. He to Beijing on business.
A. goes B. had gone C. went D. has gone
This car is environment-friendly because its engine by electricity.
A. is driven B. are driven C. drive D. drives
Don’t talk to the elderly like that, John. We respect and be kind to them.
A. can B. may C. need D. should
nice day! Let’s go for a picnic in the forest park together, shall we?
A. What B. What a C. How D. How a
As I have something to tell him, I will wait he comes back.
A. until B. as soon as C. when D. after
I had invited everybody, only three people came to my party.
A. or B. but C. so D. for