The prices of houses ______ because the demand of them become more and more great.
| A．are rising | B．rise | C．had risen | D．have been risen |
When Peter speaks in public, he always has trouble _ the right things to say.
| A．thinking of | B．to think of | C．thought of | D．think of . |
I have a tight budget for the trip, so I'm not going to fly _the airlines lower ticket prices.
| A．once | B．if | C．after | D．unless |
When he took his gloves off, I noticed thatone had his name written inside.
| A． | each | B． | every | C． | other | D． | another |
- I hear that Jason is planning to buy a car.
-I know. By next month, he _enough for a used one.
| A．will have saved | B．will be saving | C．has saved | D．saves |
Only with the greatest of luck _to escape from the rising flood waters.
| A．managed she | B．she managed | C．did she manage | D．she did manage |