—Jack, this is the third time that you have been late this week.—Sorry, sir, but I was_____ for 15 minutes on the way here in the traffic jam.
Don’t forget to bring a dictionary next class. ___. I didn’t catch what you said.
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.