The clever boy made a hole in the wall, _______ he could see _____ was going on inside house.
| A．which; what | B．through which; what | C．through that; what | D．what; that |
Russia's withdrawal of its experts from China did not strangle (压垮) the Chinese people; _____ it stirred up their enthusiasm for greater exertions.
| A．on the other hand | B．on the contrary | C．to the contrary | D．in consequence |
She has lost her handbag with the _____ sum of $150 in it.
| A．extraordinary | B．important | C．considerable | D．valuable |
Many people complain of the rapid _____ of modern life.
| A．rate | B．pace | C．speed | D．growth |
The government is _____ and will take the necessary steps to maintain security and stability.
| A．on the alert | B．out of control | C．on guard | D．in vain |
Carl wanted to play a joke on Bob but gave himself _____ by laughing.
| A．away | B．in | C．out | D．up |