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 |
If only I _____ a few days ago！Then I wouldn’t have been feeling so worried now.
| A．looked ahead | B．could look ahead |
| C．were to look ahead | D．had looked ahead |
_____ money, the man was very rich, but he was not happy at all.
| A．In spite of | B．In favor of | C．In terms of | D．In need of |
Though _____ of the danger, he still went skating on the thin ice.
| A．warning | B．to warn | C．warn | D．warned |
In our school students are _____ according to how much they know and how old they are.
| A．classified | B．combined | C．condemned | D．betrayed |
Make a tentative guess _____ Peking Man _____ have done and used thousands of years ago.
| A．that; may | B．that; must | C．what; may | D．what; should |