. A nature reserve for white-flag dolphins was set up in 1992, _______ boats have been
prohibited from sailing around since then.
A. where B. which C. when D. what
It is surprising that Jack, who is only 39 years old, _______ in the field of engineering for 20 years when he entered the company last month.
A. worked B. had worked C. has worked D. working
. —Has the conference about building a water-power plant come to an end?
—No, it’s _______. Experts just disagree on some issues.
A. under discussion B. under control C. under consideration D. under way
—Mike, do you want Kobe Bryant shoes or James shoes?
—Daddy, _______ I choose? I like both pairs.
A. shall B. must C. can D. may
. Students are often reminded that chances _______ to the well-prepared.
A. belong B. are belonged
C. are belonging D. will be belonged
—It’s a pity that Wang Qiang failed in the driving test again.
—How can you expect him to pass _______ he hasn’t been practicing enough?
A. when B. once C. unless D. though
