I______ thank you too much for all your help to my son while we were away from home.
| A．won’t | B．can’t | C．can | D．will |
---Any news about Bill Clinton?
----He left power three years ago and has a little now and a little then been ______.
| A．heard of since | B．heard since | C．heard before | D．heard of before |
If you want to sell your product you must _____ it.
| A．advertise | B．advertise for | C．advertise on | D．advertise to |
Are the parents who let their child who is ______ walk in the dark alone at night considerate?
| A．young enough | B．too young to | C．not old enough to | D．so young |
The telephone,but by the time I got indoors, it stopped.
| A． | had rung | B． | was ringing | C． | rings | D． | has rung |
It is fairly common in Africa for there______ a group of expert musicians surrounded by others who also join in the performances.
| A．being | B．to be | C．be | D．is |