—Why can’t your brother go to school? ( )
—_______ he is too young.

A．But

B．And

C．Because

Why do you like oranges?
I like _______  ________  they’re sweet.

A．them, because	B．it, because
C．them, so	D．it, so

选词填空。
on, in, at, with, and
on, in, at, with, and
1. I can't wear shorts ________ a party.
2. I can wear the sweater ________ Wednesday.
3. The trousers ________ the T-shirt are good.
4. The shirt looks nice ________ a skirt.
5. I can wear it ________ the morning.

The dress is beautiful, _______ it’s expensive. (   )

A．and

B．or

C．but

—Why are you so sad? ( )
—_______ I don’t have any nice clothes.

A．Because

B．Because of

C．So