— What made you so upset?
— ______ the exam.
| A．Failing to pass | B．To fail passing |
| C．Failing passing | D．To fail to pass |
He is only too ready to help others, seldom, ____, refusing them when they turn to him.
| A．if never | B．if ever | C．if not | D．if any |
I think the doctor is able to care of _____ is the matter with your son .
| A．all | B．what | C．whatever | D．anything |
Let us not waste ______ time we have left .
| A．the little | B．little | C．a little | D．a little more |
Do you consider it any good _____ the truck again ?
| A．to repair | B．repairing | C．repaired | D．being repairing |
We're leaving at six o'clock , and hope _____ most of the journey by lunch time .
| A．to do | B．to have done | C．to make | D．to have made |