It long before we the result of the experiment. [ ]

The temperature will fall sharply the day after tomorrow, when a snowstorm ______ to strike our area

I’m going to Beijing next week. Doyou have anything ______to your son—No，thanks.

It ____ that making a plan is easier than carrying it out

It’s clever _____ you to help me work out this difficultmaths problem. Thanks.— You are welcome. Now it’s easier ______ you tounderstand it.