1.for ；since began
2.to be
1.He has been making kites since 2 years ago.
1.He has been making kites since 2 years ago.
He has been making kites ______ 2 years .
It is two years ______ he ______ to make kites.
2.I am certain I will be here in time.
I am certain ______ ______ here in time.
He has been making kites ______ 2 years .
It is two years ______ he ______ to make kites.
2.I am certain I will be here in time.
I am certain ______ ______ here in time.
英语人气：601 ℃时间：2020-03-10 05:48:41
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