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We didn’t expect them ___ for us when we arrived there so late.

Wang Hua is said ____a new computer program recently, but I don’t know when she will finish it.

The way she thought of _____ enough money was to sell her hair.

Which do you enjoy ___ your spare time, reading or playing chess?

—Do you have anything more ___, sir?   —Not at the moment. Have a rest then.

You can’t imagine what difficulty I took _____ your home.

____ his telephone number, she had some difficulty getting in touch with Bill.

One of the methods of introducing foreign genes into a plant is to make use of certain
soil bacteria to infect the plant and transfer several of blue genes to the infected plant
cells, _____ in high rate of plant cell pision.

The subjects we have at school _____biology.

. His mind _____, little tom missed the point.