答案:B
用所给单词的适当形式填空。
1. Would you like to _____________ (plant) trees?
2. She can _____________ (swim) in the river.
3. Let me _____________ (have) a look.
4. Mary _____________ (read) a book now.
5. Let's _____________ (invite) your parents to the party.
6. She has twelve _____________ (knife).
7. I like collecting _____________ (leaf).
8. Last year Mr. Black _____________ (study) Chinese.
小学儿童的品德发展存在着关键年龄。从整体发展来看,小学儿童的品德关键年龄大致在 () 。