There is hardly an environment on earth ______ somespecies of animal or other have not adapted successfully.

Jill had unusual experience in the USA last month and it’s useful experience, too.

_____the girl could rush out of the house,the roof fell upon her.

(2013·四川，5)—Why are your eyes so red？You________have slept well last night.—Yeah，I stayed up late writing a report.

__________ makes the school famous is __________ more than 90% of the students have been admitted to universities