China will ______ greater international responsibilities. This not only meets the expectations of the international community, but also serves China’s own interests.
| A．guarantee | B．sponsor |
| C．concentrate | D．undertake |
Recently a debate about ______is real beauty has been raised. People are pushed to think some questions like ______ is better,artificial beauty or natural one.
| A．what; which |
| B．who; which |
| C．whatever;who |
| D．where; which |
______, but he couldn’t understand the logical connection of the two subjects.
| A．Having told many times |
| B．Having been told many times |
| C．He had been told many times |
| D．Many times as he was told |
He met a lot of his friends at the party, ______devoted to rural education like him.
| A．many of them |
| B．many of who |
| C．many of whom |
| D．many of which |
The number of people invited ______ fifty, but a number of them ______absent for different reasons
| A．were;was |
| B．was;was |
| C．was;were |
| D．were;were |
—Excuse me, would you lower your voice or use your mobile phone outside?
—Oh, sorry.I_______
| A．didn’t realize | B．don’t realize |
| C．haven’t realized | D．hadn’t realize |