–Look! The man at the gate ____ be our headmaster. He is always standing there every morning.-- No, it _____ be him. He is holding a meeting in the office now.
----Do you often use Baidu? ----Yes, it’s one of ___________Internet search engines.
I’m glad___________.
The smile on his face makes him _______ really ______.
Of the two T-shirts,I’d choose the___one to save some money for a book.
Students in the USA spendtime their homework than we do.