I don’t think his daughter is able to mend a computer, ________?
| A．does he | B．isn’t she | C．doesn’t he | D．is she |
After a long and tiring flight, Mr. Ritz was frustrated at the news ______ his luggage had been sent to Hong Kong by mistake.
| A．that | B．which | C．what | D．because |
In the past twelve months the research members ______ the effectiveness of many materials in a home building.
| A．had studied | B．would study | C．studied | D．have studied |
Stage fright is a common example of ______ educators call a “lack of confidence” among students.
A. that B what C. which D. whose
The weather turned out to be fine yesterday. I ______ the trouble to carry my umbrella with me.
| A．should have taken | B．could have taken |
| C．needn’t have taken | D．couldn’t have taken |
______ with high demand and serious shortage of preschools, the local government is undertaking a major expansion.
| A．Faced | B．Being faced | C．Facing | D．Having faced |