Hearing a()noise in the backyard, Pamela went there to have a look.
A. cracking
B. crack
C. cracked
D. cracker
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If we carry out our plan with()we will surely achieve our goal sooner or later.
A. conditions
B. determination
C. competition
D. frowns
水泥成型,先用(),再用()。
A. 大播料器
B. 中播料器
C. 小播料器
D. 捣棒
表示水泥需水量大小一般用()两种。
A. 标准稠度用水量
B. 胶砂流动度
C. 安定性
D. 固定用水量
The football match had to be()owing to (由于) the bad weather.
A. cancelled
B. advanced
C. arranged
D. held