My father forbids ________ his computer. But sometimes my little sister is allowed ________ it. A.using; using B.to use; to use C.using; to use D.to use; using
Although the lecture had already been on for five minutes, I still was not able to find a chair ________ . A.to be sitting B.sit on C.to sit on D.for sitting
He had left his key at school, so he had no choice but ________. A.wait for his mother to come back B.to wait his mother to come back C.wait for his mother come back D.to wait for his mother to come back
Joan made up for the time she missed in school when she was sick, by studying very hard. In this case, we can say that it is possible for the lost time ________ up. A.to be made B.to make C.making D.being made
Some students prefer a strict teacher who tells them exactly what to do. Others prefer ________ to work on their own. A.having been left B.to leave C.to be left D.leaving
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