Many a professor__________looking forward to visiting Germany now.Many scientists
__________studied animals and plants in the last two years.
| A．is; have | B．is; has | C．are; have | D．is; are |
Then Peter worked as a university teacher, made it possible for him to support a large family.
| A．what | B．which |
| C．who | D．that |
The first thing he does every morning is to read through the job offers in the newspapers.
| A．advertised | B．advertising |
| C．to be advertised | D．being advertised |
All added up, there are now only ten students in the mountain school, but ten years ago there were .
| A．ten times more | B．ten times much |
| C．more ten times | D．much ten times |
A new approach is suggested by the health expert effectively losing weight.
| A．on | B．about | C．for | D．to |
I a report about the air pollution in my hometown all the morning and haven’t finished it yet.
| A．wrote | B．have been writing |
| C．was writing | D．have written |