21/ They (be)................................. married for nearly fifty years. 22/ She __________(feel) very excited. 23/ Where is your mother? - She (have) ....is having.......... dinner in the kitchen. 24/ The plane ___________(take) off at 6 a.m today. 25/ I (just/ realize) .............................. that there are only four weeks to the end of term. 26/ The train _____(leave) at 10 p.m tomorrow. 27/ Im quite busy these days. I (do) .. my assignment. 28/ They (go) ..home after they (finish) their work. 29/ Why are all these people here? What (happen) .....................? 30/ He (write)............................ three books and he is working on another book 31/ I bought the ticket yesterday. I (fly) .. to Japan tomorrow. 32/ My last birthday was the worst day I ever (have).................................. 33/ While I was taking a bath, she (use) the computer 34/ I cant get in my house. I (lose).................................. my keys. 35/ My children ..(come) home late last night. 36/ Id better have a shower. I (not/have) .......................... one since Thursday. 37/ John ..(visit) his grandma every weekend when he was not married. 38/ I promise I (take) .. you to the water park when Im not busy. 39/ The train drivers (go) ............ on strike and they stopped working at twelve oclock. 40/Laura .(come) home, .(take) a nap, then .....(have) lunch. giúp mik với ạ mik cần gấp trước 5h20