Once again he didn’t hand in his homework _____ he had been given enough time to do it.
Everyone has periods in their lives________ everything seems very hard.
—How about camping this weekend,just for a change? —OK,________you want.
In _________to being used in industry,laser can be applied to operations in the hospital.
Children under 18 will not be ____into the pub in this country.
No one knows when such a custom first _____.