Don’t worry about ________you’re going to be able to do the job or not.
A. weather
B. whether
C. winter
D. rather
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预应力混凝土简支T形梁的梁肋下部通常要加宽做成马蹄形。
A. 对
B. 错
We need _______ him the truth.
A. tell
B. tells
C. telling
D. to tell
预应力混凝土混凝土简支T形梁将横隔梁的中部挖孔的目的是为了减少质量。
A. 对
B. 错
communicate的名词形式为_______
A. comunication
B. communicatetion
C. communicateion
D. communicates