A well-written composition__________ a good choice of words and clear organization among other things.
| A．calls on | B．calls for | C．calls up | D．calls off |
The train arrived twenty minutes late, but we were not told what caused the ____. http:/
| A．delay | B．late | C．slow | D．behind time |
There are certain _______when you have to interrupt people who are in the middle of doing something.
| A．chances | B．situations | C．occasions | D．opportunities |
Being able to speak another language well is a great _____ when you're looking for a job．
| A．advantage | B．chance | C．assistant | D．importance |
Few pleasures can equal ______ of a cool drink on a hot day.
| A．some | B．any | C．that | D．those |
---- “Haveyou seen _____ pen? I left it here this morning.”
----- “Is it _____ black one? I think I saw it somewhere.”
| A．a, the | B．the, the | C．a, a | D．the, a |