—What are the birds doing ? —They are in the tree.A.sing B.singing C.sings
Look my lovely cats.A.at B. in C. on
a short tree.A.This B. That C. That’s
Let’s and see.A.go B. goes C. to go
选出划线部分单词的汉语意思。What’s this?A.那个 B.什么 C.这个
选出划线部分单词的汉语意思。It’s a lion .A.狮子 B.兔子 C.老虎