1、I'll never forget __ you for the first time.
A、to meet
B、meeting
C、to have met
D、having to be meeting
2.As a public relation officer,he is said __ some very influential people.
A.to know
B.to be knowing C.to have been knowing
D.to have known
3.Many a delegate was in favor of this proposal that a special committee __ to investigate the incident.
A.were set upB.was set up C.be set up
D.set up
4.So difficult __ itto live in an English-speaking country that I determined to learn English.
A.I have felt B.have I felt C.I did feel D.did I feel
