The teacher set such difficult problems ______ nobody could work out _____ none of us passed the test.
| A．/ ; that | B．that; as |
| C．as; that | D．as; as |
The collapse of the World Trade Center has put US economy in a difficult .
| A．occasion | B．case | C．situation | D．background |
—I suppose you need more people to do the work.
—Don’t you know “Three helping one another _________ the load of six”?
| A．stand | B．bear | C．catch | D．hold |
You have given us a very good plan,but I am afraid it doesn’t seem ___________.
| A．practical | B．normal | C．usual | D．actual |
He __________ the workers together and spoke to them in the old hall of the farmhouse.
| A．expected | B．collected | C．called | D．shouted |
Teachers are not happy when they find in class their students sending __________ to their friends by mobile phone.
| A．letters | B．messages | C．notes | D．informations |