What happened to Mr. Zhu He spoke in （）voice in today's class that I could hear almost nothing.

单项选择题—John and I will celebrate our fortieth wedding anniversary next month. —Oh,（）！

A. cheer up
B. well done
C. go ahead
D. congratulations

单项选择题The meat you bought last week （）terrible. It （）bad.

A. smells; must go
B. smells; must have gone
C. is smelt; must go
D. is smelt; must have gone

单项选择题Technology will continue to advance and change, and you must（）earn.

A. delightedly
B. practically
C. constantly
D. properly

单项选择题One World One Dream （）fully the universal values of the Olympic spirit—Unity, Friendship, Progress, Harmony, Participation and Dream.

A. dreams
B. reflects
C. understands
D. remarks

单项选择题—You'd better （）work too hard like this. —I see. You mean （）too hard makes one tired and ill.

A. not ; work
B. don't ; working
C. don't; to work
D. not; working