11.I............[be] there at four o'clock, I promise.
12.If I have enough money , I..............[buy] a new car
13.The meeting..........[take] place at 4 p.m
14.If you eat all of that cake, you..........[feel] sick.
15.They..........[be] at home at 10 o'clock because their son is staing alone at home
16.Perhaps she...........[not/be] able to come tomorrow.
17.Because of the train delay , the meeting.............[not take] place at 10 o'clock
18.A:Oh. I've just realized. I haven't got any money . B: Haven't you?Well, don't worry..........you some [I/lend]..........
19.A: I've got a headache. B: Have you? Wait a second and.........an aspirin for you [I/get].........
20.Sue: Let's have a party. Helen: That's a great idea. We.............lots of people. [invite]
21.A: The ceiling in this room doesn't look very safe, does it? B:No, it looks as if.........down[it/fall]
22.A: Did you post that letter for me? B: Oh.I'm sorry . I completely forgot............it now . [I/do]