In the second type, the shark pushes you with its nose to find out if you are fit __________, and then bites you if it thinks you are.
Carbon dioxide ___ from burning fuels is the most common of the so-called greenhouse gases.
Father finally came back home, which I ___ forward it.
. Information has been put forward ___ more middle school graduates will be admitted into universities.
Determination is a kind of basic quality and this is ___ it takes to do jobs well.
____ in her best suit, the girl tried to make herself ____ at the party.