Much more attention should_______ when we have exams.
| A．pay to | B．be paid to | C．be paid | D．pay |
I have two pens. ______ is red, ______ is black.
| A．Either… or… | B．First… next… | C．One…the other… | D．One… Two… |
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