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1. If it _________(rain),we ________(go) by coach
2. It’s not easy for him __________ (listen) to the teacher carefully in class.
3. Hobo wants something nice _________ (eat).
4. There are many ________ (danger) animals in the forest.
5. He ________ (not hurt) himself if he ________ (be) careful enough.
6. After reading, they must answer the ________ (follow) questions.
7. It’s time to take __________ (act) to protect wild animals.
8. Tom lost his way and cried _________ (sad).
9. The roast duck looks __________（delicious), but it tastes__________（well).
10. He looks _________ (happy). And he looks at his son _________ (happy)．
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
