—The hall___ for international conferences is of great importance．
—I see, and we are sure to complete it on time．
A．built B．to be built
C．having been built D．building
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 light be 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
