She promised to come and help us, and _______________.

---          is the pen?          
--- It’s black        red.

I enjoy the popular dance “hip--hop” , but ______my father _______ my mother like it .

_______he is only 8 years old , he knows more about science than his father .

Hurry up,       you’ll be late.

A tourist will easily lose his way in Beijing ______ he has a map or a guide.

People won’t  see any flowers ____ May.

Ann didn’t go to school________ the storm yesterday.

I will wait here ____ the concert is over.

The weather is hot, ____ the man is still wearing his coat.