If he_____free,he'll call me.A.does't B.isn't C.won't D.don't为什么用Isn't而不用Won't

If he_____free,he'll call me.A.does't B.isn't C.won't D.don't为什么用Isn't而不用Won't If he ___(have) time,he'll come back If he misses u,he'll call.If he wants u,he'll say it.If he cares,he'll show it.And if not,he isn't worth your time. If he ( )tomorrow we'll go skating.快,今天就要! If we often () a person,he'll work harder I'll be very glad_____ to the lecture this afternoon.A.if he will comeB.if he comesC.if he should comeD.if he had come If Bobby doesn't work hard, he 'll fail the exam保持愿意_____Bobby_____hard,he'll fail the exam if he does't keep quiet,he'll have to leave the library.保持句子意思 I don't know if he ___(come) tomorrow.If he ____(come),I'll tell him about it If he will come tomorrow ,I'll tell you .这句中哪个地方错了,并改正, He'll show you his wood if you show him your hole! He will come.I'll tell you.(用if合并为一个句子） He'll be late.The teacher will be angry.(用if连接) 改错 if he will go to the park,i＇ll go,too I'll ask him for my book if he ______(not return)it to me. if a man receive no guest at home,when abroad he'll have no he said‘’if i have enough money,l'll buy it‘’改成间接引语 He goes there.I'll go there,too(用if连成一句话)