The biggest cities in Canada only have about six million people while _______ in China are much larger.
A. these B. those C. ones D. others
____ with what the students had done, the teacher praised them highly.
A. Delight B. Delighting C. Delighted D. Being delighting
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
