_______ the teacher’s instruction in the lab_____ important.
| A．Following; are | B．Following; is | C．Followed by; are | D．To follow; are |
The two iPads are both in fashion and of good quality, butof them are not on sale. So you’d better make your decision as soon as possible.
| A．all |
| B．either |
| C．neither |
| D．both |
Have you ever heard that Mary and John, a devoted couple, have .
| A．split up |
| B．broken up |
| C．put up |
| D．choked up |
--- Oh no! We’re too late. The train .
--- That’s OK. We’ll catch the next train to London（2013．山东）
| A．was leaving |
| B．had left |
| C．has left |
| D．has been leaving |
It has been raining for almost three weeks and scientists say that it is quite at this time of year.
| A．technical |
| B．abnormal |
| C．physical |
| D．universal |
returnees differ from us is that they are better at independent thinking and have a stronger ability of correct decision-making.
| A．Where |
| B．What |
| C．How |
| D．That |