She has been eating only burgers __________ yesterday.

• since

• for

They had lunch __________ three o'clock.

• at

• on

She bought a basket __________ fruits.

• of

• on

Hassan likes to watch television __________ Saturdays.

• on

• in

Fruits and vegetables are rich _________ vitamin C.

• in

• on

He was put on a strict vegetarian diet __________ the doctor.

• from

• by

He has been waiting __________ his father for two hours.

• from

• for

Many students queued up __________ the hall to donate blood.

• through

• inside

Students usually start helping out at the Resource Centre __________ 5 o'clock.

• for

• at

The health campaign will be launched __________ September.

• at

• in