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⑴Tom and Mary _______ (come) to China last month.
⑵Kitty and Ben _______ (stay) at home yesterday. They _______ (watch) TV.
⑶Mary _______ (read) English yesterday morning.
⑷There _______ (be) no one here a moment ago.
⑸I _______ (call) Mike this morning.
⑹I listened but _______ (hear) nothing.
⑺Tom _______ (begin) to learn Chinese last year.
⑻Last week we _______ (pick) many apples on the farm.
⑼My mother _______ (not do) housework yesterday.
⑽She watches TV every evening. But she _______ (not watch) TV last night.
⑾_______ your father _______ (go) to work every day last year?
⑿--- What time _______ you _______ (get) to Beijing yesterday?
--- We _______ (get) to Beijing at 9:00 in the evening.
⒀A week ago, Kitty and Ben _______ (be) in the countryside.
⒁Last year the teacher _______ (tell) us that the earth moves around the sun.
⒂There _______ a telephone call for you just now. (be)
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
