搜索
（1）They opened the birthday presents for me. (改为一般疑问句)
______they the birthday presents for me?
（2）We should be quiet in the reading room. （改为同义句）
We ________ ________ noise in the reading room.
（3） Mike and Helen watched TV yesterday evening.（用every evening改写）
Mike and Helen ________ ________ every evening.
（4） Iplayed table tennisin the table tennis room this afternoon.（对划线部分提问）
What _______you _________ in the table tennis room this afternoon?
（5） She watered the flowers a moment ago. ( 改为否定句）
She the flowers a moment ago.
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
