I can’t find Mr. Smith. Where did you meet him this morning?—It was in the hall ____ our products were showed..

a has become China’s largest online commercial company, ______ a profit of 1.47 billion yuan in 2010.

lly speaking, mygrandmother is nice and kind, but she _______ be very stubborn at times

下列各项中，没有语病的一项是

Do you like playing ________chess