请人帮我做几道英语题,急,1.由于他的帮助,我及时完成了任务.I finished the task in time(

请人帮我做几道英语题,急,
1.由于他的帮助,我及时完成了任务.
I finished the task in time( )( ) his help.
2.小心!有车过来了!
( )( A car is coming this way!
3.万一起火,请立刻拨打“119”.
( )( )of fire,please call 119 right away.
4.即使再次失败,你也不要放弃.
Don't give up( )( ) you may fail again.
5.下周我们是否去郊游得视天气而定.
Whether we will go for an outing next week ( )( )the weather.
十万火急,马上就要,希望给出正确答案,