Not until the train pulled into the next station _______her suitcase gone.
| A．Mary had found | B．had Mary found |
| C．did Mary find | D．Mary found |
She is ______ new comer to _______ chemistry but she hasalready made some important discoveries.
| A．the; the | B．the; 不填 |
| C．a; 不填 | D．a; the |
---Jenny took the 8:00 bus to Guangzhou this morning.
---Really? She _______ the 9:00 train. It’s much more comfortable and safer to travel by train.
| A．could have taken | B．should take |
| C．must have taken | D．can take |
There is no doubt _______ the famous professor will come to give us a lecture.
| A．if | B．that |
| C．what | D．whether |
It takes _______ money to help those who have suffered in flood; it also takes love.
| A．more than | B．other than |
| C．rather than | D．less than |
---Did Peter fix the computer himself?
---He ________________, because he doesnt know much about computers.
| A．had it fixed | B．had fixed it |
| C．fixed it | D．has it fixed |