Many countries are increasing their use of natural gas, wind and other forms of ____.
| A．energy | B．source | C．power | D．material |
Our school was ________ in 1925 and has a history of more than 80 years.
| A．set up | B．set off |
| C．set out | D．found |
Our class _______ 55 students at that time.
| A．consisted of | B．consists of |
| C．made up of | D．was consisting of |
Having never met with such a _____ problem, he felt _____ and didn’t know how to solve it.
| A．puzzling; puzzled | B．puzzled; puzzling |
| C．puzzling; puzzling | D．puzzled; puzzled |
Could you tell me where you bought your beautiful handbag? I want to buy________too.
| A．one | B．that |
| C．this | D．it |
In the past several weeks, many cities in Northern China________from heavy fogs, causing great inconvenience to people.
| A．suffered | B．have been suffering |
| C．were suffered | D．had been suffered |