Lesson14 is as _____as Lesson13 and few students can understand them clearly. A. difficult B. easy C. more difficult
The bridge is made _________steel, ______ it?
We have some books. But we need________.
They clapped and shouted______ when they saw YaoMing appear on the playground.
Which is___________ season in your hometown?
When he walks_______ my desk,he knocked my books________ the desk.