Section1
: X2 }/ i! e! V, e3 C" h+ Z$ y 上期复习" u7 e2 r4 [9 F1 W4 j; k/ U1 G( h
The workers were glad to hear that their new pay increases were retroactive to the beginning of the previous month.' W L/ T" C! T% P" T: [, g* g# q
(从过去的某个时间开始起)生效。
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The experts were hired to enhance the computer system so that it could prepare additional types of reports.) g) L2 Y, H( }+ _' }
(Hint: Could the computer already do everything needed?)
; ]1 k2 s- [; u! A L# } 请选择true or false:
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The computer system was removed and a new one installed.
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发表于 2012-8-15 00:34:18
