问题
填空题
用所给单词的适当形式填空。
1. The lazy sheep enjoys sleeping and _______ ( eat ) .
2. It's time for lunch, so the workers stop_______ (work).
3. His mother gives _______ (he) some apples.
4. Where _______ this person _______ (come) from?
5. Mr Miller _______ (wear) a black T-shirt today.
答案
1. eating 2. working 3. him 4. does come 5. is wearing
H+ + ClO
+2O
+2H