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1. They have a cold. Give __________ (they) some water.
2. His brother __________ (take) a trip around China last summer holiday.
3. My family __________ (fly) to England last weekend.
4. My parents and I __________ (be) going to Shanghai for a week.
5. He will __________ (be) a singer when he grows up.
6. Did Kate __________ (sing) songs on your birthday party?
7. Her sister __________ (do) her homework after school yesterday.
8. —What do you usually do on Sundays?
— I usually __________ (watch) TV and __________ (play) football.
9. — When __________ (be) you born?
— I __________ (be) born on April 14th.
10. He washes clothes every night. But he __________ (not wash) clothes last night.
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
