If he ________ harder,he will catch up with us soon.A.study B.studies C.will study D.studied

He decides to work ______than last year.（请说明理由,A.more hardB.much hardC.much harderD.a little hardE.more harder Simon ___________________(go)to see his grandpa if he ________ (be) free next week He ________(not know) if shi will go with him on Sunday. I’m waiting for Jack ________, I will go swimming alone.选择题A. If he doesn’t come B. If he won’t come C. If he will come D. If he is coming并说出为什么选择这个答案 10.He asked me if he ________ open the door.A.shall B.would C.will D.should求详细、、、、、 He said that he would go fishing with his friends if it ________ (not rain) the next Sunday. If he ________ harder,he will catch up with us soon.A.study B.studies C.will study D.studied Nothing could have saved him ________ he had been sent to hospital without delay.a.if b.even if c.as if d.unless if条件状语从句的时态练习1.If Bruce ________(be) free,Let’s go to the park.2.Tell him the news if you ________ (meet )him tomorrow.3.If he ________(do) well in the exam.His teacher will be pleased with him.4． If Mary ________(leave ) ho he likes ________(dumpling). 如果明天你不去开会,他也不去 if you _____ _____ _____ the meeting tomorrow , he _______ ________ The hungry boy ________ everything on his plate as if he had been starved for agesA.devouredB.resumedC.deniedD.clenched He doesn't have money now,________,he would lend it to you.A.if any B.if not B为什么不行.C,if so,not的同时，so, He ________(尝尝）the soup to see if he put enough salt in it.这里是填will taste还是tasted?He ________(尝尝）the soup to see if he put enough salt in it.这里是填will taste还是tasted?不是说 if 引导的从句主将从先吗?可是 “Is Tom at school today?”“No. He's at home ________ he has a bad cold.”A. because B. if C. until D. before If it were not for the fact that he ________ ill ,he would finish it.A.is B.be C.were D.am ________ he is still alive,he is already 130 years old．A.Even if B.Because C.Since D.As 英语 If he ________ harder,he will catch up with us soon.A.study B.studies C.will stud最好带上原因,