The first textbooks _______ for teaching English as a foreign language came out in the 16th century.
| A．having written | B．to be written | C．being written | D．written |
.He said that not until the heavy snow blocked the express ______ how serious the weather was.
| A．did the villagers realize | B．the villages realized |
| C．the villages did realize | D．didn’t the villagers realize |
.Our boss suggested we clerks ______ good sales methods and his words suggested that ______ did the best ______ the best prize.
| A．think of; who; would be given | B．thought of; whoever; be given |
| C．think of; whoever; would be given | D．thought of; who; was given |
______ a person looks like is not as important as ______ he or she grows up to be.
| A．How; how | B．What; that | C．What; what | D．How; what |
They stayed with me three weeks, ______ they drank all the wine I had.
| A．which | B．which time | C．during which time | D．during which |
—I ______ for you for two hours, but in vain. Where did you go?
—I ______ at my uncle’s.
| A．had looked; may have stayed | B．looked; must have stayed |
| C．have looked; may be staying | D．looked; must be staying |