题目内容

含碳量小于2%的铁碳合金称作钢,含碳量大于2%时称作铁

A. 对
B. 错

查看答案
更多问题

—why didn’t Tom come to school?—He _____ and hurt his leg.

A. fell down
B. fell off
C. falls down
D. fells off

Lily _____ a lie yesterday. She wasn’t hurt at all.

A. told
B. tell
C. tells
D. say

What did Kangkang do before he______the candles out?

A. blow
B. blowed
C. blew
D. blows

We _____songs, ______and played games at the party.

A. sing; dance
B. sing; danced
C. singed; danced
D. sang; danced

答案查题题库