_____ how to work out the difficult physics problem ,he asked the teacher for help .
A.Not to know
B.Not knowing
C.Knowing not
D.Not known
试卷相关题目
- 1____ with a difficult situation, Mr Smith made up his mind ____ his boss for advice.
A.Facing; to ask
B.To face; asking
C.Faced; to ask
D.Having faced; asking
开始考试点击查看答案 - 2We don't allow _____ in the office. But you are allowed ____ in the rest room.
A.smoking, smoking
B.to smoke, to smoke
C.smoking, to smoke
D.smoke, smoking
开始考试点击查看答案 - 3—What's made Mr. Grey so sad? — _____ three tickets to the pop art exhibition.
A.Losing
B.Lost
C.Because of losing
D.As he lost
开始考试点击查看答案 - 4–Did you get your pay? –Yes, I remember ______. But I forget the exact amount.
A.paying
B.to be paid
C.having paid
D.being paid
开始考试点击查看答案 - 5---Did you enjoy yourself at the party? ---Yes.I appreciated_________.
A.to be invited
B.to have invited
C.being invited
D.having invited
开始考试点击查看答案 - 6——How wise of you to come round,but why? ——______ that all is right.
A.See
B.To see
C.Seeing
D.For seeing
开始考试点击查看答案 - 7Though ______small talk, Roy managed to have lively conversation with strangers.
A.lacked
B.lacking of
C.lacking
D.lacked in
开始考试点击查看答案 - 8I'd love to watch the specially _____ dogs that can act as guides to the blind.
A.training
B.being trained
C.trained
D.to be trained
开始考试点击查看答案 - 9_____ on a clear day, far from the city crowds, the mountains gave him a sense of peace.
A.If walking
B.While walking
C.Walking
D.When he was walking
开始考试点击查看答案 - 10________in his online games, I am afraid, may lead to his failure in this mid-term exams.
A.Absorbed
B.Being absorbed
C.Absorbing
D.To absorb
开始考试点击查看答案