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天山ZTV Q26 [求助]
Q26:
There are several ways to build solid walls using just mud or clay, but the most
extensively used method has been the forming of bricks out of mud or clay, and, after
some preliminary air drying or sun drying, they are laid in the wall in mud mortar.
A. the forming of bricks out of mud or clay, and, after some preliminary air drying or
sun drying, they are laid
B. forming the mud or clay into bricks, and, after some preliminary air drying or sun
drying, to lay them
C. having bricks formed from mud or clay, and, after some preliminary air drying or
sun drying, they were laid
D. to form the mud or clay into bricks, and, after some preliminary air drying or sun
drying, to lay them
E. that bricks were formed from mud or clay, which, after some preliminary air
drying or sun drying, were laid
Answer: D
考 use ...to ??
why B is wrong ??
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发表于 2003-12-15 22:16:00
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