because he didn’t believe us . =>  If the man (believe) us , he ( help ) us.1 điểmQ11.  She will not tell the truth if you ( not give ) her a good chance to tell.1 điểmQ12.  If Claire (send) an invitation to Nick’s last birthday party, she (come) to enjoy it.1 điểmQ13.  Last camping, we saw a snake. If we (approach) nearer, the snake (may bite) us.1 điểmQ14.  If Jake (press) CTRL + s, he (save) the file and documents.1 điểmQ15.  If Jeremy (work) harder when he was at school. He (be) a student at university now.1 điểmQ16.  If Joana (take) her mother’s advice, she (become) a lawyer now.1 điểmQ17.  If I (be) you, I (learn) English earlier.1 điểmQ18.  If I (know) that you (be) in the hospital last night, I (go) to see you right now.1 điểmQ19.  If my daughter (bring) an umbrella last night, she (not get) wet now.1 điểmQ20. If my sister (be) good at cooking, she (cook) by herself for dinner now.    1 điểmQ21.  If she (be not) kind, she (not help) me with my last final project.1 điểm