Giúp em làm mấy bài về câu điều kiện với !

[newbie_th]

Excercises1:Read the situation and write conditional sentences,beginning with IF
1.He didn't pass the final exam because he didn't work hard enough.
2.I didn't hear the telephone ringing to I didn't ansever it.
3.She told me her arrical tim so I could pick her up at the airport.
4.I listened to the radio last night so I heard about the car quident on highway not1.
5.It took her more than two hours to get to her office yesterday because the teaffice was terrible.
Excercise 2:Put the verbs in brackets into appiopiate form:
1)she wanted to go out with herfriends but she had to study for her history test If the (not have) to___study,She and her friends(go out)_____.
2)The principal was here not long ago If you(come)____earler,you(see)___him.
3) I (help)___you with it If I (have)__more time but .I'm afraid I'm very busy now.
4)We hope it will be nice tomorrow but If it(rain)___,we (hold)___the party in doors.

[kephieubat89]

1.If he worked hard enough,he would pass the final exam .
2.If I heard the telephone ringing,I would answer it.
.....vd vài câu thôi mẫu để bạn xem thui,mấy câu kia thì gần giống vậy!