To those scientists, it still remains to be a question ______ man can go back to the old days with time machine.
|
A．if |
B．that |
C．how |
D．whether |
There is a common belief among them _______ rubbish can and should be put into good use.
|
A．which |
B．if |
C．whether |
D．that |
We never doubt ______ our school team will win the match against No. 3 Middle School.
|
A．whether |
B．that |
C．if |
D．what |
The teacher usually grades the students on _______ they have behaved.
|
A．that |
B．what |
C．which |
D．how |
Once _____, it won’t be easily forgotten.
|
A．saw |
B．seeing |
C．seen |
D．see |
On stepping into the office, the girl was frightened to find that the whole office was filled with ______ looked like tiny worms.
|
A．that |
B．something |
C．what |
D．anything |
