-When ______ and visit our exhibition next month ?
-When _______ , I will let you know .
| A．will he come ; he will come | B．will he come ; he comes |
| C．does he come ; he will come | D．does he come ; he comes |
There might be life on other planets, but so far scientists haven’t found enough _____ to prove it.
| A．evidence | B．relic | C．mystery | D．reception |
They are having _____ debate about whether the two countries were at _____ war at the time.
| A．the; the | B．a; the | C．the; 不填 | D．a; 不填 |
I refuse to lie about it, because it’s against my _____.
| A．rules | B．orders | C．principles | D．laws |
The buses, _____ were already full, were surrounded by anxious people.
| A．all of them | B．all of which | C．they all | D．all which |
The murderer, who was _____ to death by the judge last week, was only 20 years old.
| A．made | B．caused |
| C．killed | D．sentenced |