III. Rephrase the following sentences using the words suggested, so that the orig
1. What caused the explosion?
What
by?
2. We must look into this matter.
This
3. People say he is a reliable man.
It
90
4. Someone saw you enter the bank.
enter the bank.
You
5. It is claimed that the new model is more economical than the old one.
The new model
6. The police believe he left the country several days ago.
He is
7. She doesn't like when they keep her waiting.
kept