根据对话情景，填入恰当的单词。

A: Hi, Gina. Where are you going?

B: I'm going to a gift(礼品)shop.

A: Do you want to 1. __________ a gift?

B. Yes, I do. Linda's birthday is coming. And I want to give her a surprise.

A: Really? 2. __________ is her birthday?

B: It's on November 20. Are you 3. __________ that day?

A: Yes, I am.

B: Great! Can you go to the 4. __________ with me?

A: Sure, I'd love to.

下列哪一种是使用螺丝批时要注意的事项?

A.不应将工件置于手中 

B.须将工件置于手中 

C.亦可当凿使用