The two runners are neck and neck; _______ of themcould win the race

Liu Yan is good at math. He always writes __________ in the test.

Mike, do you know who wanted me on the phone?—SorryI don’t knowI ________ a bath in the bathroom

People are recycling many things which they away in the past.

Mr. Li, let’s go fishing this weekendwith Lao Wang, shall we—I’d love to, but nobody knows if he _______ freethen.