Let’sgoclimbingthemountainsifit ______thisweekend.—Butnobodyknowsifit ______.[ ]

Tom is ___________ that he can’t go to school.

The Great Pyramid is made_____ of two million stones and each stone_____ morethan two tons.[ ]

As their memories decline,some old people tend to be talkative because they______ forget what has just been said.

What did Mike say? He said ____________________.