--- I don’t know ___________ makes her different from others.
--- Confidence, I think.
A．how is it that B．how it is that
C．what is it that D．what it is that
Ten years ago the population of our village was _________ that of theirs.
A．as twice large as B．twice as large as
C．large as twice as D．as twice as large
Friends are like leaves, ________ everywhere, but true friends are like diamonds, precious and rare.
A．found B．finding C．to find D．being found
Simply learn to live in the present, ________ think so much about the future or the past.
A．rather than B．other than C．more than D．less than
--- How much shall I pay for the phone call?
--- You ________. This is free of charge.
A．shouldn’t B．can’t C．don’t have to D．mustn’t
Mary, stop to have a rest. You _________ the flowers in your garden for nearly two hours.
A．are watering B．were watering
C．water D．have been watering
