you can borrow my car you promise not to drive too fast.
A．unless B．even if C．in case D．as long as
Not until____ did Humphrey begin working.
A. did it stop raining B. had it stopped raining C. it stopped raining D. it stops raining
21st Century, ____weekly newspaper, provides us with____variety of fresh articles about campus studies and life.
A. a, the B. the, a C. the, / D.a, a
He used to be a successful businessman, but drug ____ his ruin.
A. attended to B. contributed to C. resulted from D. devoted to
The young mother couldn’t make herself ___ attention to because the baby was concentrating on his toys.
A. to pay B. to be paid C. paid D. pay
The speech by the headmaster given on my graduation ceremony is strongly impressed ___ my memory.
A. to B. over C. by D. on
