1.They set off a trip London.
A.on; for B.on; to C.for; to D.for; for
2.The evening party the children are looking forward to this evening.
A.being held B.holding C.be held D.will be held
3. that people like smoking.
A.It was said; many such B.It is said; such many
C.People said; such many D.It is said; many such