________ you play chess—Yes, I can.

Children who are not active or ________ diet is high in fat will gain weight quickly.

It was in the school __________ he had studied ___________ he began the important experiment.

1Who did the teacher have_______ how _______ the computer

lovely flowerswere ______ for your mother for her 57th birthday, but as she isaway, I would be glad if you accept them.