Jane had just finished her homework ________ her mom asked her to practice playing the violin yesterday.
| A．when | B．while | C．after | D．before |
Having been attacked by terrorists, ____________.
| A．doctors came to their rescue | B．the tall building collapsed |
| C．an emergency measure was taken | D．warning was given to terrorists |
These new books are a very welcome _________ to the school library.
| A．addition | B．arrival | C．attitude | D．audience |
An awful accident____________, however, occur the other day.
| A．does | B．did | C．has to | D．had to |
According to the report, people in the ________ areas are rebuilding their homes and many roads ________ to the area have been repaired.
| A．flooded; lead | B．flooding; leading | C．flooding; to lead | D．flooded; leading |
---It is terrible to see the nuclear power accidents happen.
--- That’s right. Nuclear safety should be paid attention ______ to benefit the people _______harm them.
| A．/; more than | B．to; rather than | C．to; other than | D．/; better than |