1, he............................leave early,didn't he ?(must/had to/has to/ought to) 2,his eyes were so bad that he..................read the number on the board(shouldn't/hadn't tp/couldn't/can't) 3,there is the waiter.i.........................ask him for the bill(will/shall/am able to/could) 4,.............open the door for you?(would you like that i/do you want that i/will i/shall i ) 5,...............you able to come to the meeting?i'm afraid not(can/will/may/should) 6,my car broke down so i................come by bus(had to/must/should/could) 7,.......................ask you some questions?-OK go ahead(shall i/will i/should i/may i) 8,there are a lot of mistakes in this exercise.i........................go over it again with you(will have to/am able to/would/could) 9,he was a good swimmer,so he......................swim to the river bank when the boat sank(could/can/would/was able to) 10,you...............go now.it's getting late(hard rather/had better/ought/would rather) 11,you........................fly to london this evening provided you don't mind changing planes in paris(must/have to/can.ought to) 12,you.............add it up.i'm not good at figures(have to/ought to/'d better/both a&c) 13,the phone has been ringing for a minute.noone................at home(must have been/can have been/should have been/none of these) 14,she's fainted.throw some water on her face and she................come round(has to/may/must/can have) 15,...................you please refrain from smoking while the lecture is in progress?(may/might/would/should) 16,do it as well as you....................(must/will/can/have to) 17,tom..............drive,he is too tired(would rather/must/needn't to/ought not to) 18,the sea was too rought that we...................swim(couldn't/can't/won't/wouldn't) MK CẦN GẤP CC GIÚP MIK VS !