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【简答题】
某二级公路采用级配碎石做路面基层，其压要求达到（ ）。
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【单选题】______ the others he began to use foreign languages ______ a means to know the world.
A.
Like as
B.
For as
C.
As like
D.
As as
【单选题】Not until his mother came back_______.
A.
he began to do his homework
B.
had he began to do his homework
C.
he had begun to do his homework
D.
did he begin to do his homework
【简答题】He was told under no circumstances ______ the computer. A) he may use B) he use may C) may he use D) may use
【单选题】He stepped into the office ， down and began to fill in the forms ．
A.
． sitting
B.
． to sit
C.
． sat
D.
． having sat
【简答题】A．He began to use chemicals. B．He preserved food with sugar. C．He sealed food in jars. D．He kept food in cans.
【简答题】A．He began to use chemicals. B．He preserved food with sugar. C．He sealed food in jars. D．He kept food in cans.
【简答题】He began his career in 198
【简答题】He began to use bright colours in his paintings, especially the ______ and _______ for which he is known, after about ________.
【简答题】Only recently he began ______ (realize)that he was wrong.
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