Now more people prefer a house in a coast city to ____ in such a large city as Beijing.
—Do remember to observe the traffic rules in order not to have a record of speeding or drunk driving. —_________. Made itB. Understood itC. Got itD. Remembered it
________ is to attend our evening.
—You seemed to be impressed by his skill. —No. It was his courage ________ his skill that really impressed me.
—Who______ it be that is knocking at the door? —It ______ be Father, but I’m not sure.
Once harm is _______ to the eco-system, all species will ________, including man himself.