That is the small house less than 20 square meters, under ______Roof lives a large family of three generations

The weather turned out to be fine yesterday. Ithe trouble to carry my umbrella with me.

Little Johnny felt the bag, curious to know what it_______. [ ]

(2013·哈师大附中高三二模)If only I ________ more confidence in the English speech contest held last week!

Not all insects are pests; in fact, a great many of them are ____ to man.[ ]