No matter how hard he worked, ___ ____
| A．he could not do any better | B．and he could not do any better |
| C．so he could not do any better | D．but he could not do any better |
October 22 might be one of _________ busiest days for China’s Foreign Ministry as three prime ministers of ________ neighboring countries -- Russia, Mongolia and India -- started their visits to China on the same day.
| A．the, the | B．the, / | C．a, the | D．a, / |
___ an important decision more on emotion than on reason, you will regret it sooner or later.
| A．Based | B．Basing | C．Base | D．To base |
I am sure that if it came to that point, he would do___ is expected of him.
| A．what | B．when | C．which | D．as |
Though these dresses are low in quality, they may ____to women who don’t want to spend much on clothes.
| A．refer | B．adjust | C．apply | D．appeal |
If ____unsolved, the problem of food safety may lead to more serious results.
| A．left | B．making | C．remained | D．taking |