—What should we do to prevent H7N9 bird flu?—We must from crowded places.
Hi. This is __________ new teacher. _________ name is Linda and the bag is _______.
A: Are there ____new pens in your pencil--box? B: Yes, there are ____.
A: When do you usually have dinner? B: ____6:30____the evening.
I like English, ____ I am not good at it.
There is ____ office on the first floor(一楼).