The doctor advised Vera strongly that she should take a holiday, but didn't help.
. The question then ______ that the supply of drinking water in the mountainous area is serious.
.We could hardly believe what she says because she is ______ changing his mind.
. . —OK, $ 500, but that is my last offer.—_______.
. To deal with the global financial crisis, China ______ the international community to help developing countries.
. I don't remember how many years ago ______ people began to grow crops.