别人对你说Thank you. 你应该客气的回答: A. Hello. B.You’re welcome. C. Good morning.
你想知道垃圾箱在哪里,应问:A.What's the trash bin? B.Where is the trash bin?
There is a bridge the river.A. on B. in C. over
There are bridges in the park. A. some B. any C. a
----Is there a lake? ----No,there . A. are't B. is C. isn't
Is there a in the park?A. houses B. grass C. river