When we happy for what we win, we should keep in mind that one’s good vintage may be ___ bitter cup.
He had just sent an email to his pal on the Internet ________ the system broke down.
While intelligent people can often ______ the complex, a fool is more likely to complicate the simple.
People develop ________ preference for a particular style of learning at ________ early age and these preferences affect learning.
Mary worked here as a ______ secretary and ended up getting a full-time job with the company.
I have received an offer from a German university, but I’m still hesitating ______ I should accept it.