Your question _____ he didn’t inform you earlier has not yet been answered, _____
has aroused our curiosity.
| A．which; which | B．why; it |
| C．that; it | D．why; which |
Recently a survey ____ prices of the same goods in two different supermarkets has caused a heated discussion among citizens.
| A．comparing | B．compared | C．compares | D．being compared |
With international ______ and education exchanges increasing every year, the number of Chinese students studying abroad has increased rapidly.
| A．cooperation | B．competition | C．construction | D．conflict |
ItisthefirsttimethatI_______thiskindofmooncake.
| A．enjoyed | B．haveenjoyed | C．enjoy | D．had enjoyed |
Herealizedshewascrying________whathehadsaid.
| A．because | B．becauseof | C．as | D．since |
－HeaskedTom,“Haveyoufinishedyourhomework？”
－HeaskedTom______.
| A．ifhadhefinishedhishomework. |
| B．whetherhehadfinishedhishomework. |
| C．ifhehadfinishedhomework |
| D．ifyouhadfinishedyourhomework. |