Put the correct form of the erbs in the box to complete the sentences
win       practise         help        do           be
drive       be         go        take         know
1. if students ..................... their homework, the teacher will punish them ( not )
2, they ....................... if they play well
3. if the weather ....................... nice, we will go camping this weekend
4. Julia will ask me if she ............. the address ( not )
5. My sister ........................ me do this task if it is difficult