Oh, it’s so cool in the house. You _______ have turned on the air-conditioner, haven’t you?
| A． should | B．might | C．must | D．can |
—He says that my new car is a ____________ of money.
—Don’t you think those words are just sour grapes?
| A．lack | B．load | C．question | D．waste |
The World Health Organization gave a warning to the public without any______when the virus of H1N1 hit Mexico in April, 2009.
| A．delay | B．effort | C．schedule | D．consideration |
In our class, when the bell rang and the teacher closed his book, it was a ______ for everyone to stand up.
| A．signal | B．chance | C．mark | D．measure |
My ______ of this weekend’s activity is going out with some good friends.
| A．idea | B．opinion | C．mind | D．thought |
To make members of a team perform better, the trainer first of all has to know their _____ and weaknesses.
| A．strengths | B．benefits | C．techniques | D．values |