`1.` affect (v.): ảnh hưởng
`2.` If she hadn't been sleepless last night, she could concentrate on her study now.
`3.` Should Jack try his best, he won't fail the examination.
`4.` If only she could speak English well.
`5.` Susan apologized to me for having broken my mobile phone the day before.
`6.` She asked me if I would come with them the following day.
`7.` No sooner had we started playing football than it rained.
`8.` Let's type all of these letters.
`9.` Hardly had we finished our dinner when the thunderstorm broke.
@ `Ly`