“火凤凰助残社”是一家专门为残疾人开展服务的机构。该机构与政府合作。在公共场所张贴公益广告，提高该机构的知名度。这种做法的主要作用有（）。

A．set up

B．set off

C．set in

D．set aside

We will set off after he finishes packing.

A．set out

B．set back

C．set up

D．set down

We will set off after he finishes packing.

A．set out

B．set back

C．set up

D．set down

We will set off after he finishes packing.

A．set out

B．set back

C．set up

D．set down

A、set out

B、set off

C、set down

D、set to

It was getting late, so we set off ______.

A．to home

B．at home

C．for home

D．home

听力原文：W: Shall we set off now？

M: No, our bus will leave at 7:30. We still have one and half an hours left.

What time is it now？

A．6:30.

B．7:30.

C．6:00.

We will set off after he finishes packing.

A．set out

B．set back

C．set up

D．set down

A．fame

B．flame

C．foam

D．frame