High﹣speed trains are seen as one of the new Four Great_____of China．（ ）
A．AchievementsB．Agreements
C．EnvironmentsD．Inventions
I hate sweeping the floor．
Why not buy a sweeping robot？ It ____widely nowadays．（ ）
A．useB．is usedC．was usedD．used
I'm planning a trip to the National Mining Park （国家矿山公园） tomorrow， but still can't decide ．
How about driving？（ ）
A．how I'm goingB．where I'm going
C．when I'm goingD．who I'm going with
Angela， I want to make Russian soup． Would you please tell me how？
I'm glad to． First， you need to____ the vegetables and beef．（ ）
A．cut upB．cut downC．cut offD．cut out
Mom， I watch TV tonight？
Sure，but you finish your homework first．（ ）
A．can； mustn'tB．may； could
C．may； can'tD．can； must
I ___ our English teacher in the supermarket yesterday．（ ）
A．meetB．metC．have metD．has met