So do take each subject seriously, and __________what you learn is of no practical use in real life, the learning skills you get will be something you will value forever.
| A．even if | B．so that |
| C．as if | D．in case |
Meanwhile, ________ Wal-Mart succeed at shrinking its environmental footprint and lowering prices for green products, both the planet and the company will profit．
| A．would | B．could | C．should | D．might |
_________during the last days of the “cultural revolution” (1966-76), he finally returns home only ______that his beloved wife has amnesia and is unable to recognize him.
| A．Released ;to find | B．Releasing ; found |
| C．Released ;finding | D．Releasing ;to find |
Mother’s Day, which accounts for a one-quarter of annual holiday purchases, according to the Society of American Florists, is ________ the day when flowers are delivered to the doorsteps of many mothers.
| A．transparently | B．theoretically |
| C．traditionally | D．thankfully |
Not only are students in China suffering from this problem, but kids in the United States are also ________ heavy school bags..
| A．kept up with | B．come down with |
| C．ended up with | D．fed up with |