I regret________ that Lily can't come to the party because she is badly ill.
A.to say B.saying C.said D.say
I failed the exam and regretted________ so much time playing computer games.
A.waste B.to waste C.wasted D.wasting
may, be, he, not, at home
________________________________________________________________________.
must, classroom, be, now, the, cleaned
________________________________________________________________________.
John's, key, be, the, must
________________________________________________________________________.
he, be, sick, might, today
________________________________________________________________________.
