She had just finished her homework __________ her mother asked her to practice __________ the piano yesterday.
| A．when; playing | B．while; to play |
| C．after; play | D．since; played |
67. Many countries have sent up man-made communication satellites to _____ the earth, which is made possible for each household to use TV.
| A．move | B．round | C．circle | D．Go |
66. Now more and more college students _____ to go and work in the west provinces of China.
| A．pick | B．elect | C．select | D．Choose |
65. The Chinese people _____ brave and hard-working. The Chinese _____ a brave and hard-working people.
| A．is; are | B．are; are | C．are; is | D．is; is |
64. We have to__________a new manager from a short-list of five candidates.
| A．choose | B．select | C．elect | D．Pick |
63. Passengers should Flight BA125 to Berlin.
| A．check in for | B．check on | C．check out | D．check off |