单项选择题
The public store is to close at 9:30 p.m. （）no need to worry; it is just 7:30 p.m.
A.You have B.They have C.It is D.There is
单项选择题 The population of the earth（）increasing fast.
单项选择题 The plane was about to（）, and yet I left my ticket behind.
单项选择题 The people in this city have planted（）trees along both sides of the streets.
