There are 5 pairs ( ).A.to choose.B.for choosing.C.to be cho

There are 5 pairs ( ).A.to choose.B.for choosing.C.to be cho there are five pairs (to choose from)为什么不是to be chosen from? There are several camera models____.A.to choose from B.for c to choose from,to choose,for choosing,to be chosen.应该选哪一个?求理 there are five pairs to choose from,but i am at a loss which There are five pairs ,but I am at a loss which to buy.A.to b 1.there are five pairs ______ ,but i am at a loss which to b Choose to perish,choosing to wait Choose to perish, choosing to wait There are 5 pairs ___,but I'm at a loss which to buy. (2/3) be there now .A suppose to;B are supposed to;C suppose There's going to ___a film to night.A.is B.are C.be D.has