In front of the house _____ with a history of 100 years.
| A．does a tall stand | B．stands a tall tree |
| C．a tall tree is standing | D．a tall tree stands |
Since Tom ___downloaded a virus into his computer, he can not open the file now．
| A．readily | B．horribly | C．accidentally | D．irregularly |
Seeing that the drowning child was struggling in the icy water, the soldier dived into the river without hesitation, ___ his own safety．
| A．regardless of | B．in terms of | C．in face of | D．because of |
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 |