The big fire in Shanghai, believed to ___ due to the burning of construction materials, caused 58 deaths and destroyed all the belongings of the people there．
| A．have occurred | B．occur |
| C．have been occurring | D．be occurring |
With the help of his friends, he has _____a good business over the years.
| A．built up | B．made up | C．grown up | D．picked up |
Although it is ________ to watch programs on TV sometimes, I think people shouldn’t spend all the time watching it.
| A．worthwhile | B．worthy | C．worth | D．worthy of |
Modern teaching equipment as well as some computers _______ to the village school last week.
| A．were sent | B．was sent | C．has been sent | D．had been sent |
I have reached a point in my life ______ I am supposed to make decisions of my own.
| A．which | B．where | C．how | D．why |
No one responded when Tom was speaking, so he paused _______ before continuing to draw our attention.
| A．deliberately | B．eagerly | C．sincerely | D．faithfully |