Chemistry seems to be _____ for me of all the subjects.
| A．difficult | B．too difficult |
| C．more difficult | D．the most difficult |
I don’t know if it ______ tomorrow. If it _____ , I’ll fly kites with my friends,
| A．will rain; doesn’t rain | B．doesn’t rain; will rain |
| C．will rain; rains | D．rains; doesn’t rain |
Look! ______ pretty the dragon boats are!
| A．How | B．What | C．Where | D．how |
The librarian(图书管理员) warned me _____ the books in two weeks.
| A．return | B．to return | C．returned | D．returning |
One night, Hou Yi found that the moon was ____ bright and round _____ he could see his wife there.
| A．so; that | B．too; to | C．such; that | D．enough; to |
I was afraid ______ mistakes.
| A．to made | B． of make | C．to make | D．of made |