单项选择 较易0.85 引用1 组卷285
________ is very necessary for us ________ some exercise every day.
A.That; to do | B.It; do | C.That; doing | D.It; to do |
2023七年级下·全国·专题练习
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It's time for us ________ morning exercises.Let's ________ downstairs.
A.do;go | B.to do;to go |
C.to do;go | D.doing;go |
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