He has been a teacher ______ six years ago and he has been here _____ 3 years.
A. for; for B. since; for C. for; since
We like elephants , because they are interesting . And we like dogs , ______.
| A．also | B．either | C．/ | D．too |
One of the students _______China.
| A．come from | B．are from | C．comes from | D．come to |
_______ is easy for many students to _______ to school.
A. It , get B this, arrive C. That, get D. He, arrive
—Must I get there on time?
一No, you.
A. can't B. mustn't C. needn't
Please tell him about it if hethis afternoon.
A. comes B. come C. will come