I still remember ____ it was, he told me, ____ I could solve this kind of problems．
| A．what ;that | B．how; that | C．what, what | D．when, who |
. 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 |