Peter is my best friend. He often helps ______ with science.
A. me B. you C. him D. her
－Who’s that man?
－Jeremy Lin. He’s _______ American basketball player.
A. a B. an C. the D. /
As a member of one world, each of us has a role _____ to make the earth a better place.
A. playing B. play C. played D. to play
—As an old saying goes: “Opportunities favor the prepared mind.”
—Perfectly! Now ______.
A. the chance comes B. does the chance come
C. comes the chance D. the chance did come
Are you willing to live in an age _____ 4G technology will bring about an information revolution?
A. where B. when C. whose D. which
—Do you know when Jim's coming?
—He _____ 9:00 a.m.
A. had said B. says C. has said D. said
