It’s quite obvious that the aging population in China will cause _____heavy pressure on _____whole society in the future.
| A．/, the | B．the, / | C．a, the | D．a, a |
Don't bother Tom. He is ________ with the experiment on water molecules（分子）in the lab.
| A．focused | B．occupied | C．fixed | D．concentrated |
I finally persuaded her to see the new film “If You Are The One II” directed by Mr. Feng, ________ she didn’t want to.
| A．even if | B．now that | C．so that | D．as if |
His ________ description of his adventure in the forest made us want to have a try ourselves.
| A．magic | B．vivid | C．relevant | D．awesome |
True friendship is like sound health, ________ the value is seldom known until it is lost.
| A．from which | B．which | C．of which | D．whose |
At the meeting they discussed three different ________ to the study of physics.
| A．means | B．ways | C．methods | D．approaches |