Question

–I’ve taken someone else’s green sweater by mistake.
–It       Harry’s. He always wears green.

A．could be

B．will be

C．mustn’t be

D．has to be

Answer 1

A

词义辨析。could be可能是；will be 将会是；mustn’t be不应该是；has to be不得不是。句意：我拿错了别人的绿色毛衣。可能是Harry的。他总是穿绿色的。所以选A。