In the park, the number of visitors is tightly ____ to avoid damaging the environment or putting stress on the animals.
_____ the police thought he was the most likely one, they could not arrest him since they had no exact proof about it.
The wild flowers looked like a soft orange blanket _____ the desert.
30. My parents have promised to come to see me before I _____ for Africa.
It was the principles I learned from my reading _____ enabled me to get bigger and better jobs.
.He could see the tall building__________ .