_______是数九寒天,爷爷_______坚持锻炼。[ ]
A.如果……就…… B.因为……所以…… C.即使……也…… D.不但……而且……
答案:C
People are encouraged to speak openly, but careless words are ________ to hurt others' feelings.[ ]
A.possible
B.probable
C.likely
D.sure
检测热辊电机温保好坏,测量辊件插头的()。