请认真阅读下面各题，从题中所给的A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
1. ---Do you think you could do it without help?
---______. This is not the first time for me.
A. Take care B. Hurry up C. Not exactly D. Don’t worry
2. That’s the new machine ______ parts are too small to be seen.
A. that B. which C. whose D. What
3. Before the sales start, I make a list of ______ my kids will need for the coming season.
A. why B. what C. how D. which
4. Sam ______ some knowledge of the computer just by watching others working on it.
A. brought up B. looked up C. picked up D. set up
5. The living room is clean and tidy, with a dining table already ______ for a meal to be cooked.
