—Jack will go to Dalian for his summer holidays. How about you?—Sorry, I haven't decided ________.
— ____ can I get to the post office? — Go down this street and turn left.
There ____ a pen and some books in my bag.
___ nice weather it is!
____ they ____ a cow yesterday?
—Why are you standing here, Tom? —I can’t see the blackboard clearly. Two tall boys are sitting ____ me.