____ the standard of living for 3 billion people will create massive opportunities, XiJinping said at the fifth BRICS summit , and he called for major cooperation projects.
. The boy was sitting at the desk, ______ hard when his mother got home.
. ______ the house costs, it will be ______ it.
–How about going to Beijing for our holidays? –That’s splendid. ___________.
There are many mistakes in your composition and ________, it needs improving.
Sixty people were _______ from the burning ship, but a great many more were drowned when it sank.