【2013黑龙江绥化】I don’t know if Jack ________. If he ________, call me, please.A. comes; comeB. will come; will comeC. will come; comes
—There is too much rain in many parts of the world now. —That sounds ________.
The food safety is a serious ________ in our country.We should try to solve it.
—How’s it ________? —Pretty good.
Be quiet!The other students ________. A.sleep B.slept C.are sleeping
—Is Ma Ming in? —No,why not ________ her a message?