________ you may have，you should gather your courage to face the challenge.
| A．However a serious problem |
| B．What a serious problem |
| C．However serious a problem |
| D．What serious a problem |
There isthing as a free lunch.
| A．not such | B．no such a | C．not such a | D．no such |
Your friend is. Does he oftenyou?
| A．a great fun; make funs of |
| B．good fun; make fun of |
| C．very funny; play a joke of |
| D．fun; be laughed by |
—I believe it is the only solution to this problem.
—That’s debatable, I think. I canfive other solutions as good as that.
| A．come up with | B．make up with | C．live up with | D．keep up with |
The pandas are very dear to human beings. So people have been doingthey take to save them.
| A．whichever | B．however | C．whatever | D．whoever |
Is this the reasonat the meeting for his carelessness in his work?
| A．what he explained | B．how he explained |
| C．he explained | D．why he explained |