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__________people relaxation and pleasure, but it can also increase their knowledge of any kind.

It was in the lab __________was in the charge of Professor Smith __________they carried out the experiment.

Look! She is coming here and there _________.

Only by reading more books　　　　improve your reading skills.

It is ________ the customers' needs that has made chain stores so popular in big cities in China.

I wonder why you didn’t do as ________ and it’s the third time you have done this.

Workers who cannot speak good English may be at disadvantage ____ with foreign
customers.

_____ more energy to my studies instead of to online games, I would be sitting in
a comfortable office now.

Faced with challenges, your ability is        makes a difference.

The naughty boy had wanted to play football with the kids in the street, but his parents warned him ____.