The other day，my friend John drove his car down the street at _______I thought was a dangerous speed and surprised everyone in the car.

What ______ that -It’s a map.

Ralph W. Emerson would always ______ new ideas that occurred to him.

It is _____ he often fails in exams _____ makes his parents worried about him.

More and more students _________ too muchhomework and they are really tired of it.