选择正的单词填空。
A: What (is / are) you doing, Li Ming ?
B: I'm (pack / packing) my suitcases. Let's unlock it. Here is the key.
A: May I (help / helps) you ?
B: Sure !
A: (Are / Do) you want this jacket ?
B: No, (thanks / please). I want that jacket, please.
A: (How / What) many pairs of socks do you (has / have) ?
B: I have one pair of socks.
A: How many (shirts / shirt) do you have ?
B: One.
A: You need more shirts, (too / to). Do you want this shirt ?
B: Yes, please. That's (me / my) favourite shirt.
