Scientists from different countries are trying to_______ a good way to solve the energy problem.
| A．keep up with | B．come up with |
| C．catch up with | D．meet up with |
—Who’s that boy reading in the study ? Is it David?
—It __________ be David. I saw him go home just now.
| A．must | B．can’t | C．may | D．shouldn’t |
—What ______ you?
—I’m _______ of being left alone in the house.
| A．terrify, terrified | B．terrified, terrifying |
| C．terrifies, terrified | D．terrifies, terrifying |
— What in Yuyao Ningbo this time yesterday ?
—I hear it was raining heavily and soon there was a big flood there.
| A．happened | B．was happened | C．was happening | D．is happening |
—Mum,I watch TV now ?
—No, you finish your homework first.
| A．may, need | B．can, have to | C．do, must | D．may , must |
– Your English teacher is so popular with students.
-- You are right! Jennifer’s nice to us all. She’s _____ a teacher _____ a friend for us.
| A．not only; but also | B．both; and | C．either; or | D．neither; nor |