(一)       Troy:  21.     you last weekend? Sam: I was at Sky Lake with my family. We were there for two days. Troy:   22.     a boat on the lake? Sam: Yes, we did. The water was blue, and there were green mountains around it. Everything was beautiful! Troy: That’s nice.    23.     Sam: We also hiked around the lake and climbed up a hill. Troy: That was some good exercise. Did you eat any good food there? Sam: Of course. We visited a village nearby, and   24.     a lot of great street food. Troy: Did you stay at a hotel? Sam: No, there was a campground.(營地) We camped there and it saved us lots of   25.    . Troy: And it was fun, right? Sam: It was, but I really   26.     my bed. There’s no place like home. Troy: Haha!   27.  
【題組】21.
(A) Where were
(B) Where are
(C) Who were
(D) How were