____ most children nowadays are the only chidren, they tend to be more self-centered．
A．Ever since B．Now that C．Only if D．Even though
—It’s a long journey．My car couldn’t make it．
—You can drive my car．It’s quite old, but it’s still pretty ____．
A．reliable B．convenient C．supportive D．available
The black furnishings in his house provide an interesting ____ to the white walls．
A．comparison B．contrast C．opposition D．difference
—What happened to the young trees we planted last week?
—The trees ____ well, but I ____ them．
A．might grow; hadn’t watered B．needn’t have grown; didn’t water
C．would have grown; didn’t water D．would grow; hadn’t watered
—Clover, why didn’t you attend the meeting yesterday?
—I ____, but something unexpected happened．
A．had B．would C．was going to D．did
．The work is not very profitable ____ cash, but I am getting valuable experience from it．
A．in terms of B．according to C．in relation to D．in view of
