He will be sad when he ______ the bad news.A．hearB．is hearingC．will hearD．hears

He ___very busy this week. He ___ free next week.A、will be; isB、will be; will beC、is; wi

He cannot be tired _______ he has walked only half a mile. A：since B：whether C：when

When he really does something wrong,he is willing to______.A．applyB．apologizeC．relieveD．re

He is______an important customer now and he will be back tonight.A．calling onB．calling upC

He is late again today. I’ll ________ that he will not be late tomorrow.A) be sureB

______ he is still working on the project I don mind when he will finish it.A.In caseB.