______ welcome. A.You’re B.your’re C.your
选择正确的选项,补全单词 pr __ __ tice A. ac B. aa C. oc
Leaves change ____________ fall. A. in B. at C. on
Can yellow leaves ____________ food? A. makes B. makeing C. make
Leaves must ____________ green to make food for plants and trees. A. is B. be C. are
They ____________ sunlight,air,and water. A. need B. needs C. needes