______ with new scientific farming methods, they have been able to use less farmland thanin the past.

单项选择（每题1分）She opened the window, _____ in some fresh air.

It’s easier to catch a _____ lion than the one that’s awake. 

–--I play high-temperature Yoga in the gym every Sunday. ---- Good habit, but the air in the gym is bad ________.

The meeting __ tomorrow will be of great importance. All of us should attend it.