用括号中动词的适当形式填空：3、They ( )(catch)butterflies now.4、My father ( )(wo_英语解答

用括号中动词的适当形式填空：3、They ( )(catch)butterflies now.4、My father ( )(work)in his office.

人气：145 ℃　时间：2019-09-17 17:38:44

解答

are catching
is working
这两个句子都是现在进行时,结构为be+v-ing形式