--- How can I use i Phone 5s? --- Just refer to the _________.

There is gas _______ somewhere; can you smell it?

Would you please ______ the light ?  I can’t see much clearly . It is getting dark .

The rainiest said, “We are ready for discussion with any legal parties, but we’ll never    with enemies.”

One minute she burst into _______, and the next she burst out ______.We just couldn’t catch her mood at any moment.