In autumn, the weather gets cooler ________ the green leaves start to turn gold.
because
but
whether
and
---I called you yesterday evening, but there was no answer. ---Oh, I am sorry I _____dinner at my friend’s house.
There ______ a talk show on CCTV-4 at nine this evening.
The teacher asked me _________.
If Mary goes,_________________.
Could you please give me ________?