1. A: To get a cheap airfare ticket, you [?] reserve it on July 22nd.
     B: [?] I [?] fly within July?
     A: No, you [?]. The ticket can be used until the end of December.

2. A: Do you think I [?] get A from this English course?
     B: It’s not easy.
     A: What [?] I do? I need an A to cover up my C.
     B: You [?] not be lazy. You [?] learn by using English or by practicing it.

3. A: Tomorrow we will visit the Temple of the Emerald Buddha.
     B: [?] I [?] pictures of the Emerald Buddha?
     A: You cannot. You [?] take pictures outside, though.
     B: You [?] wear a dress, a skirt or pants. You are not able to wear shorts.
     A: What about shoes?
     B: No flip-flops. Also you [?] take them off before going inside to see the Emerald Buddha image.

4. A: Please advise me how to make Som Tam.
          [?] I start by putting the chopped papaya in the mortar?
     B: No, you [?] not do that. Pound the garlic and chili first.
     A: [?] I add the papaya now?
     B: Yes, and also the tomatoes.
          Now, season it with two teaspoonfuls of fish sauce, coconut, sugar and lime juice.
     A: Everything is fine except the fish sauce. [?] I [?] to use two teaspoonfuls of fish sauce? I think it may be too salty for me.
     B: You [?]. It [?] be one teaspoonful. It’s up to you.
     A: Then, one teaspoonful for me.
          Um…delicious!