—Can we run across the road now?
—No, we _ . We have to wait until the light turns green.
A.needn't | B.mustn't | C.couldn't | D.shouldn't |
—Can we run across the road now?
—No, we _ . We have to wait until the light turns green.
A.needn't | B.mustn't | C.couldn't | D.shouldn't |