1)It is very necessary... English before going abroad.
A:to study. B: studying. C: studied. D:have studied
2)Sydney Opera house...on the harbor in Australia many years ago.
A:were build. B:was built. C: built. D:have been built
3)Lan...to collect stamps in 2001.
A:began. B:begin. C:beggin. D:beggin
4)Mrs.Mai...when Tuan arrived home.
A:cooked. B:is cooking. C:was cooking. D:cooks
5)The woman...to the principal is my form teaches.
A:talks B:talked. C:talk. D:talking
6)In the...contes two team members had to make a fire in a Iraditional ways.
A:fire-making. B:making-fire. C:fire make. C:make fire
7)cool the burns mincdiately so as to... tissue damage.
A:minimizes. B:minimizing. C:minimize. D:minimized
8)I...my report at this time yesterday.
A:wrote. B:was writing. C:writed. D:were
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Sinh Học lớp 12
