Must I clean the room now？
No，you ____ You can do it tomorrow．（ ）
| A． |
must |
B． |
mustn't |
C． |
need |
D． |
needn't |
The instructions tell us everything ____about how to make the model ship．（ ）
A．by handB．by chanceC．in detailD．in person
We don't allow taking magazines out，but you ____copy the article you need on the machine over there．（ ）
A．canB．mustC．shouldD．would
Betty felt so tired last night that she ____fell asleep in bed after lying down．（ ）
A．recentlyB．suddenly
C．frequentlyD．immediately
Sam finds sweeping robots useful，and he plans to buy _____for his grandma．（ ）
A．itB．oneC．thisD．that
The living room becomes ____as the sunlight comes in through the windows．（ ）
A．biggerB．cleanerC．quieterD．brighter