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（1）I___ ___ an English teacher now.
（2）She____ ___happy yesterday.
（3）They____ ___ glad to see each other last month.
（4）Helen and Nancy _____ ___ good friends.
（5）The little dog _____ ___ two years old this year.
（6）Look, there _______ ___ lots of grapes here.
（7）There_____ ___a sign on the chair on Monday.
（8）Today_____ ___ the second of June. Yesterday______ ___ the first of June.
（9）It____ ___Children’s Day. All the students ______ ___very excited.
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
