【题目】 The growing speed of a plant is influenced by a number of factors, _____ are beyond our control.

【题目】Did you have any difficulty _____ his house?

【题目】 A number of books in the library _______ been stolen so that the number of them ______smaller than before.

【题目】—The cars give off a great deal of waste gas in the streets.

【题目】One of the best ways for people to keep fit is to______ healthy eating habits.

【题目】He seems to be doing nothing, but _____ he is just waiting for his chance.

【题目】Jerry has promised to keep the secret, so he won't tell anyone even though 　　　　.

【题目】I wish you would 　　　　that old jacket. Its full of holes.

【题目】----Who’s the man giving the speech?

【题目】Jane, _____at the news of the earthquake, was at a loss for words.