The teacher set such difficult problems ______ nobody could work out _____ none of us passed the test.
I couldn’t fall asleep. Every night the house as heavy trucks went past.
While working in the countryside, the students a great deal of knowledge on plant life.
He never goes over what he has learned. I wonder how he to get such a good result in the exam.
is no possibility Bob can win the first prize in the match.
Could it be in the restaurantyou had dinner with me yesterday you left behind your wallet?