．It’s best to plant trees(植树)in _____．
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A
autumn
B
winter
C
summer
D
spring
推荐题目
Mandeep can go to school now. UNICEF has paid for her ______．
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A
education
B
vacation
C
competition
D
invention
—What about having a picnic tomorrow morning?—Well, I don’t think it’s good ________ because the radio says it will be rainy tomorrow.
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A
idea
B
suggestion
C
advice
D
way