giúp mình với 1/ I (invite) to the party last night. 2/ He (pass) the exam if he (study) harder. 3/ Their marriage only lasted 3 months. If he (be) less mean, she (not leave) him. 4/ The meeting (hold) every year. 5/ He suddenly realized that he (travel) in the wrong direction. 6/ John seems to be very busy. I guess he (prepare) his English lesson. 7/ The wind (blow) hard when they (get) on the bus yesterday afternoon. 8/ If we (work) overnight we (finish) the work but we don’t have any intention of working overnight. 9/ She (go, usually) out with a big hat, but today she (carry) an umbrella instead. 10/The job is much more than I expected. If I (realize) how awful it was going to be, I (not accept) it. 11/ My bag (steal) while I (look) at the shops. 12/ If she (not listen) to the teacher, she (not understand) the lesson. 13/ By the time we (get) there, the picture (already sell). 14/ A lot of new houses (build) in this village recently. 15/ There’s a good play on TV tonight. You (watch) it? 16/ Irene was very nervous because she (never / speak) before a lot of audiences. 17/ I (buy) a new car. Come to see it! 18/ I feel terrible. I think I (be) sick. 19/There are many black clouds in the sky. It (rain) 20/We (enjoy) the play if it hadn’t been so long.