Quite a few employees’ payments are cut down and barely cover their household ________ due to the serious economic crisis.
| A．bills | B．expenses | C．prices | D．charges |
If you just spend your time___ gains and losses, maybe you'll get nothing in the end．
| A．checking | B．weighing | C．balancing | D．examining |
According to the newly-made traffic regulation, whoever drives through red lightbe fined at least 200 dollars．
| A．shall | B．may | C．would | D．should |
He is very popular among his students as he always tries to make them ____ in his lectures．
| A．interested | B．interesting | C．interest | D．to interest |
I'm afraid I'm not ___ to help with the show, for I am fully occupied with my own project
| A．dependable | B．convenient | C．available | D．accessible |
—Should I lock the lab before I go home?
—__．I'll check it myself later．
| A．Go ahead | B．No problem | C．No hurry | D．Don't bother |