100. In the battle we fought to the death in defense of our positions and paid a heavy _____ for last victory.A. cost B. price C. value D1. Pay
.Mary talked ________ she had seen the fire. But in fact she only heard of it from others.
. This is really a big problem for all of us, but I’m sure we can ________ it soon.
Mike has recently caught A-H1N1. ________, he will have to be away from school for several days.
The best way to explore _______ countryside is on _______foot.
. As we watched the panda, we stood still, ______ to one another.