roduced four reports, _______ of which containedany useful suggestions

Without proper lessons, you could _______ a lot of bad habits when playing the piano.

Rather than ____ in the restaurant many westerners prefer to get together with friends for weekends

Did you remember to give Jenny the money? — Yes. ____ I saw her,I’m sure.[ ]

You might wonder how it________to livewithout eating for so many days.