------- What is the price of petrol these days 
-------Oh, it ______ sharply since last month.
| A．is raised | B．has risen | C．has arisen | D．is increased |
While watching television,______.
| A．the doorbell rang |
| B．the doorbell rings |
| C．we heard the doorbell rings |
| D．we heard the doorbell ring |
The hotel ______now beside the park was designed by a group of young men.
| A．to be built | B．built |
| C．being built | D．building |
---Tom studies very hard and is intelligent as well.
---______that he always gets the first place in all examinations.
| A．No way | B．No wonder | C．No problem | D．No doubt |
He wrote a letter ______ he explains what had happened in the accident.
| A．what | B．which | C．where | D．how |
No one can avoid by advertisements.
| A．to be influenced | B．being influenced |
| C．influencing | D．having influence |