1. If the air weren't so polluted, people's health would not be threatened.
2. It was not until they were in 6th from that they began to learn English.
3. It was not until the lights were on that the football match started.
4. It was not until Tom could slove the math problems, he went to bed.
5. This will be the first time the group has concerted in the USA.
6. In spite of being seriously ill, he was determined to finish his work.
7. The man to whom I spoke to yesterday is a famous althlete.
8. Hardly did I go to bed than someone rang my doorbell.
9. People are not allowed to go camping in the forest in the dry season by foresters.
10. It was not until she received that new treatment that the patient's heart condition improved.
#NOCOPY