Where is the man now?
A:In the office.
B:On a bus.
C:At a bus stop.
选出下列句子中没有语病的一项( )
①4.65﹣2.55﹣1.45
②6.4÷(0.3×2+0.2)
③6.5×99
④2.2×0.25+2.8×0.25.