II, Choose the best answer to complete the sentence: 1, I wish I (will visit/ could visit/ visit) President Ho’s Mausoleum in Ha Noi someday. 2, We prefer (to watch/ watching/ watch) cartoon on TV everynight. 3, The oil spill has (pollute/ polluted/ pollution) the sea. 4, She is a singer, she is very good( on/ at/ in) singing. 5, The box is (so/ such/ too/ ) heavy that noone can lift it. 6, At 9 last night, Mai (do/ is doing/ was doing) her homework. 7, Lan is interested (at/ in/ on) learning French. 8, They have lived in Viet Nam (since/ ago/ for) 5 years. 9, She is a singer, she (sing) very well. 10. We want to go to the zoo (on motorbike/ by motorbike/ in motorbike) 11. They have learnt English (for/ since/ in ) they were 9 years old. 12.If Lan (come/ comes/ will come) next Sunday, please phone me.