Guess what Alex was caught cheating in the exam.— I can’t believe that he _______ do such a thing! Everybody knows he is an honest boy.

_______ his foot wounded so seriously, he had to give up this basketball game.

It’s uncertain ________ theexperiment is worth doing

依次填入下面一段文字横线处的语句，衔接最恰当的一组是（ ）最近，一个名叫“酒店控”的终端在

Measles ______ a kind of infectiousillness