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1．Wei Hua was washing clothes last night. （对画线部分提问）
________ ________Wei Hua ________clothes?
2．You’d better get to sleep earlier, or you’ll be tired. （同义句转换）
If you ________ ________ ________earlier, you won’t be tired.
3．While we were talking, the teacher came in. （对画线部分提问）
________did the teacher________ ________?
4．He saw the bag before his bike hit it. （用until转换）
He________ ________the bag ________his bike hit it.
5．You help me with English. It’s nice of you. （连成一句）
It’s nice of you ________ ________ ________with English.
6．I’m sorry he isn’t here right now.
I’m sorry he’s ________ at the________.
7．I hope to see him as soon as possible.
I hope to see him as ________as ________ ________.
8．He says that he won’t be free until tomorrow.
He says that he________ ________free ________tomorrow.
9．It’s best to travel by train.
________by train ________the ________.
同类型试题
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
