Though we found _____difficult to avoid economic and financial crisis, we must take measures to reduce its negative impact.
| A．it | B．one | C．that | D．how |
There is a popular opinion among teachers _____ reviewing the lesson after class can help students learn better.
| A．who | B．whose | C．that | D．which |
Why not __ your new ideas? Otherwise you will never know whether they are possible or not.
| A．put out | B．wear out | C．try out | D．find out |
He is _____ to staying up and getting up late, which is a bad habbit。
| A．accustomed | B．Appointed | C．applied | D．exposed |
---Business is going down, and I’ve lost lots of money in the stock market.
---_____. Everything will work out fine.
| A．Take it easy | B．Have fun | C．Good luck | D．Don’t mention it |
______ him well, I would have invited him to my birthday party.
| A．Had I known | B．Should I know |
| C．If I know | D．If I knew |