题目列表(包括答案和解析)
The earth became so violent that it was not clear_________ the shape would last or not.
A. if B. how C. whether D. why
The earth became so violent that it was not clear _________ the shape would last or not．
if
how
whether
why
The earth became so violent ____it was not clear ____
the shape would last or not.
A. which; whether B. that; what C. what; if D. that; whether
The earth became so violent ____it was not clear ____
the shape would last or not
.
| A．which; whether | B．that; what | C．what; if | D．that; whether |
Between 4.5 and 3.8 billion years ago, the earth became so ______ that it was not clear whether the shape would last or not.
A. genuine B. slight C. solid D. violent
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