用所给单词的正确形式填空
Hello! Is that David _________(speak)?
根据英文释义补全单词
It's w_____ ourside. (with much wind)
Where are you going to do this w_____? (Saturday or Sunday)
My uncle is very b______doing his work. (having much work to do)
根据首字母将单词补充完整
Don't walk across the grass. We must not b_______ the rule.
Don't climb trees in the park. We must f_______ the rule.
选词填空
We ________(must/must not) throw rubbish in the park.
We ________(must/must not) sing loudly at night.
We ________(must/must not) make our beds at home.
We must keep _________(noise/quiet) in the library.