________about her son’s future, the mother has been sleeping very badly these months.
| A．Concerning | B．Concerned | C．To concern | D．Having concerned |
Playing on a frozen sports field sounds like a lot of fun. Isn’t it rather risky, _______ ?
| A．though | B．also | C．either | D．Too |
We would hesitate to pull over to the side of the road ________ a stranger in a car wave us down.
| A．should | B．were | C．if | D．if only |
Mr Wang’s commitment leaves him held in deep ________ by his students and also wins their respect.
| A．appreciation | B．affection |
| C．adaptation | D．Adoption |
The committee is discussing the problem right now. It will ________ have been solved by the end of next week.
| A．eagerly | B．hopefully | C．immediately | D．Gradually |
---- Why not buy this type of car，sir?
----- ________ the high price, I could have chosen one .
| A．But for | B．Besides | C．Aside from | D．Except for |