The earth（地球） is our home, and we must _____ it clean.
| A．change | B．sweep | C．keep | D．stay |
Simon makes ___________ friends in his class because he is very selfish.
| A．few | B．a few | C．little | D．a little |
-- ___________ did the important meeting ___________?
-- For about two hours.
| A．When; begin | B．How long; begin |
| C．When; last | D．How long; last |
The clever boy said to ___________, “ I’ll do ___________ best to work out the problem.”
| A．him; his | B．herself; my |
| C．himself; my | D．himself; his |
Shanghai lies ___________ the east of China and ___________ the northeast of Guangdong.
| A．in; to | B．in; in |
| C．to; to | D．to; in |
Daniel is very modest. He never ___________ before his friends.
| A．shows off | B．shows up |
| C．turns off | D．turns on |