Only when our project has been approved of by the committee ______ to carry it out.

You look sleepy today—__________ not to miss the flight，I didn’t dare to close my eyes the whole night

“The Secret Life of Emily Dickinson” _____USbookstores thisweek and soon became a best seller

It is very important for us parents to be ______ ___in educating children.

He left in such a hurry that I _____ hadtime to thank him