Helen was much kinder to her youngest son than to the others, __________, of course, made the others envy him.
| A．who | B．that | C．what | D．which |
The two countries agreed to ________ their differences and work together for peace, which has a positive effect on the international situation.
| A．set down | B．set out |
| C．set aside | D．set about |
Camels have three eyelids to ________ themselves from the blowing sand.
| A．protect | B．stop | C．keep | D．hide |
According to the law, all foreigners have to ________ with the local police within two weeks of arrival.
| A．associate | B．dispute | C．negotiate | D．register |
While intelligent people can often ________ the complex, a fool is more likely to complicate the simple.
| A．sacrifice | B．substitute | C．simplify | D．survive |
—The town is so beautiful! I just love it.
—Me too.The character of the town is well ________.
| A．qualified | B．preserved |
| C．decorated | D．simplified |