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
--- What’s that noise?
--- Oh, my God! I ________ to turn the tap off after I brushed my teeth.
A．forget B．forgot
C．was forgetting D．had forgotten
Though our city has a good public transport system, _______ private car is becoming _________ popular means of transport.
A．a; / B．the; the C．the; a D．/; the
