Was it because of the heavy snowstorm in Europe ________ the flight had to be put off？
| A．which | B．so | C．why | D．that |
________ the problem of land erosion(侵蚀) getting more serious, the government is searching for a way to deal with it.
| A．As | B．When | C．With | D．If |
There are three students punished, two girls _______ .
| A．include | B．including | C．included | D．includes |
In face of danger, we need to stay _______. Only in this way can we come up with good solutions.
| A．still | B．quiet | C．calm | D．silent |
— What about ______ bike?
— Do you think it all right to buy him that bike as ______ birthday gift?
| A．a; a | B．the; a | C．a; / | D．the; / |
－Would you like to go the hospital to help the sick kids this Sunday?
－________. I’ll be free then.
| A．Sorry, I can’t | B．Not at all |
| C．Thank you | D．Sure, I’d love to |