— Who’s that man over there standing in the garden? Is it Mr. White?—It __________ be him. He has gone to Shanghai on business.
If it ________ fine tomorrow, I will go hiking with you.
—May I ask you _____ the writer? —Sorry. I don’t know him. You can ask Sam ______ help.
Jack, with his friends, ______ see Mr. Wang this weekend.
In our school ________ students can search the Internet for useful information now.
September 10th is __________ Day.