I kept him __ for about an hour.A.on waiting B to wait C off

I kept him __ for about an hour.A.on waiting B to wait C off He kept me ( )(wait) for him for an hour yesterday He kept ---(wait) for her for about half an hour. Last Friday he kept us waiting for him ( ) an hour. I'm sorry.I have kept you ()for me so long.A:wait B:waiting I ()for an important phone call.a:waits .b:waiting.c:wait.d: I’m going to the shop _____.A.for an hour B.after an hour C. I want to be an assistant ( ) a shop.A.to B.on C.about D.for 1.the film __ for half an hour.A.bagan B.has been on C.have she kept him waiting for a long time (写出同义句)she --him wait f I'll stay three for （ ）hour. A.a B.an C.on D.of i spend an hour day -- my homework.A.on B.in C.at D.for