圈正确的词
题目
圈正确的词
1.i am ____ (go/going) to school.
2.it's ten o'clock .we are ____(play/playing)football.
3.mark _____ (swims/swimming)in summer.
4.the students _____ (does/are/doing) homework.
答案
going
be going to的用法
playing
be doing 正在进行
swims 动词
are doing
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