—Do you know_______tomorrow?—Sorry, I don't know. You may surf the internet.A.whether will it rain B if it will rain C whether does it rain
The population of the world ________still ________now.
There ________a basketball match between Class One and Class Three this afternoon.
Our math teacher ________in our school for 20 years and he ________here when he was 23 years old.
—Alan,it's late. Why not go to bed? —Jenny hasn't come back yet. I ________for her.
—When ________you ________reading Jane Eyre? —It's hard to say. I'm busy recently.