共50条信息
The teacher together with the students ________ discussing Reading Skills that ________ newly published in America.
A.are;were B.is;were
C.are;was D.is;was
Either you or one of your students ________ to attend the meeting that is due tomorrow.
A.are BB.is C.have D.be
(2013·安徽,21)From space, the earth looks blue.This is ________about seventyone percent of its surface is covered by water.
A.why B.how C.because D.whether
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