I don’t think the experiment is ______ failure. At least we have gained ______ experience for future success.
| A．不填；the | B．a; the | C．a ; 不填 | D．不填; 不填 |
We must stop pollution _____ longer.
| A．living | B．from living | C．to live | D．live |
Who would you rather _____ the report instead of you?
| A．have write | B．have to write | C．write | D．have written |
I'm busy now. I'm sorry I can't help ____ the flowers.
| A．watering | B．watered | C．waters | D．to water |
In New Zealand, I made lots of friends ___ a very practical knowledge of the English language.
| A．get | B．to get | C．getting | D．got |
He will tell you _____ he expects will win such a match.
| A．why | B．whom | C．which | D．who |