---When shall we meet your cousin at the station?
---His plane took off 2 hours ago, and it _________ arrive at 5pm.
| A．could | B．should | C．must | D．can |
70. It was a fine day once the mist had .
| A．cleared away | B．cleared up | C．carried | D．Cleaned |
69. I have some problems. Please _____ them for me.
| A．clear away | B．clean away | C．clear up | D．clean off |
68. She her hands in delight when she heard the good news.
| A．clapped | B．clap | C．circled | D．Slap |
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 |