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.
问题描述：
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.
答
1.for
第二个题应为：It is two years_______ he
________ kites. 分别填since和made
2.to be
答
for/after/start/to/be
答
1.for ；since began
2.to be