．China_______positively and quickly after the quake struck Haiti．
| A．reflected | B．replied | C．rejected | D．responded |
There is still a strong argument ________ mobile phones are a particular risk to children.
| A．when | B．which |
| C．that | D．what |
Students ________ remain in their seats until all the papers have been collected.
| A．shall | B．might |
| C．could | D．will |
John Wood，an Internet blogger，discovered that Samsung ________ for not protecting its workers from a dangerous chemical used on its phones.
| A．had criticized | B．had been criticized |
| C．was criticized | D．was criticizing |
The sign says that children are admitted only if ________ by an adult.
| A．to be accompanied | B．accompanying |
| C．accompanied | D．to accompany |
Li Hua has been elected ________ monitor of our class to take ________ place of Ma Li.
| A．the；不填 | B．the；the |
| C．不填；the | D．不填；不填 |