问题
选择题
下列物质有毒的是[ ]
A.蔗糖
B.食醋
C.酱油
D.一氧化碳
答案
答案:D
下列物质有毒的是[ ]
A.蔗糖
B.食醋
C.酱油
D.一氧化碳
答案:D
根据句意,从方框内选择合适的单词,并用其适当形式填空。 | |
2. Mom is very _____ with her new job. 3. You can use e-mail English when _____ your friends. 4. It _____ takes 20 minutes to get there. 5. I forgot to take out the _____ when I left home this morning. |