当向你的同学介绍你的朋友时,你应说:_______A. He is my friend, Li Lei.B. This is my friend , Li Lei.C. My friend is Li Lei.
There ______ tall trees now. A. were B. are C. is
- Do you like the park now? - Yes, I _______. A. do B. did C. don’t
There ________ a clock here before. A. is B. isn’t C. wasn’t
There are many ________ over there. A. sweet B. sweets C. egg
There ________ some rice in the bowl.