It was not until midnight __ they reached the camp site.
| A．that | B．when | C．while | 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 |
Jack is late again. It is ____of him to keep others waiting.
| A．normal | B．ordinary | C．common | D．typical |
Though________money, his parents managed to send him to university.
| A．lacked | B．lacking of | C．lacking | D．lacked in |
It’s funny that Howard___ speak to you like your boss.
| A．might | B．would | C．should | D．must |