1) The scientist (to write/already) his article. 2) They (to discuss)

1) The scientist (to write/already) his article. 2) They (to discuss) their problems last night. 3) Andrew39;s hamster (not to eat/yet) his food. 4) The opera singer (to change) her dress during the last break. 5) Have you (ever/to visit) London Tower? 6) Mike (to visit/just) his grandmother. 7) The boys (to find) a ball yesterday. 8) I (just/read) this modern magazine. 9) Ann (to see) this fantastic film last Monday. 10) I (have, just) ______ a nice pot of coffee. Would you like a cup? 11) I (see, not) ______ Steve this morning yet. 12) Carol and I are old friends. I (know) ______ her since I (be) ______ a freshman in high school. 13) Maria (have) ______ a lot of problems since she (come) ______ to this country. 14) I (go) ______ to Paris in 2003 and 2006 15) A car came round the corner and I (jump) ______ out of the way. 16) Dont throw the paper away because I (not to read) ______ it yet. 17) Is Jim going to eat lunch with us today? No. He (eat) ______ (already).He (eat) ______ lunch an hour ago. 18) Since we (start) ______ doing this exercise, we (complete) ______ some sentences. 19) I (be) ______ never to Italy. 20) How many symphonies Beethoven (compose) ______?