Robert is said ___________ abroad, but I don’t know what country he studied in.
| A．to have studied | B．to be studying |
| C．to study | D．to have been studying |
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 |
It is I who going to have a trip to New York this summer.
| A．am | B．are | C．is | D．be |
I am determined to get a ticket for the concert it means standing in a line all night.
| A．now that | B．even if |
| C．as if | D．so that |