You ______ wear sports shoes when you climb a mountain.
|
A．can’t |
B．shouldn’t |
C．mustn’t |
D．have to |
Thomas wants to know ______Nina lives.
|
A．where |
B．who |
C．what |
D．if |
He didn’t go there yesterday, _______he?
|
A．did |
B．does |
C．didn’t |
D．doesn’t |
He ______when the UFO arrived. He didn’t wake until the UFO disappeared.
|
A．slept |
B．was sleeping |
C．was doing homework |
D．was singing |
He said that light ______much faster than sound.
|
A．has travelled |
B．went |
C．travels |
D．travelled |
I won’t pass the exam ______I work hard.
|
A．whenever |
B．because |
C．if |
D．unless |
