从A、B、C三个选项中,选出最佳答案.

从A、B、C三个选项中,选出最佳答案.
1.Mr Smith ▁▁ some water and then ▁▁ with Lucy.
A.drinks;talk B.drank;talk C.drank;talked.
2.---Did you work for a foreign company in 2000?
---▁▁ .Iwas a student at that time.
A.Yes,Idid.B.No,I didn't C.Yes,I do.
3.Jim Right enjoys ▁▁ magicshows.
A.watch B.to watch C.watching
4.Tom,can yousee the key on the floor?
Please ▁▁ for me .
A.pick up it B.pick it up C.pick them up
5.Kitty entered ▁▁ her room without ▁▁ anything.
A.in;take B.into;to take C./;taking
如果可以,麻烦写上选这个答案的原因,