The lady was so absorbed in her job that she didn't hear a customer ________ at the door.
A.to knock B.knocking
C.be knocked D.knocked
Over 200,000 hotel reservations were made in Hong Kong through Taobao last year, ________ it the most popular travel destination among Chinese netizens.
A.making B.to make
C.having made D.made
According to the new law, the people found ________ “harmful” advertisements on the streets will be punished strictly.
A.put up B.to put up
C.putting up D.having put up
We tried ________ the window, but it was still hot in the room.
A.to open B.opening
C.open D.opened
________ requires us to do two things quickly. First, ________ the main topic; and second, to write down the important details.
A.To take good notes; recognizing
B.Taken good notes; recognizing
C.Taking good notes; recognizing
D.Taking good notes; to recognize
The academicturnedTVcelebrity is reported ________ at a Kunqu Opera performance staged at Peking University.
A.to boo(喝倒彩) B.to being booed
C.to have been booed D.to be booed