A foreign language like English is difficult to learn, so you ____________ work too hard.
| A．can’t | B．must | C．shouldn’t | D．ought to |
--- Has Li Lei finished his work today?
--- I have no idea, but he ______ it when I saw him this morning.
| A．had done | B．would do | C．was doing | D．did |
_____ Sun Yue has been selected into the L.A.Lakers(湖人队), he might as well make full use of the chance.
A. After B. Although C. As soon as D. Now that
Thousands of Haitians cheered as the Chinese medical team arrived，many of ____ even cried with joy.
| A．those | B．them | C．whom | D．who |
Some experts think the wolf's team spirit for survival is ____ is needed in today’s competitive culture.
| A．that | B．what | C．which | D．how |
A well-written composition__________ a good choice of words and clear organization among other things.
| A．calls on | B．calls for | C．calls up | D．calls off |