I’m afraid our personal relationships__________over years may be lost after you move out.
| A．building up | B．built up | C．having built up | D．to be built up |
If we can ____ our present difficulties, then everything should be all right.
| A．come across | B．get over | C．come over | D．get off |
.If the firms failed to make enough money, they would __________.
| A．close down | B．call off | C．turn down | D．set off |
.Emergency line operators must always ______ calm and make sure that they get all the information they need to send help.
| A．grow | B．appear | C．become | D．stay |
The news of the mayor’s coming to our school for a visit was __ on the radio yesterday.
| A．turned out | B．found out | C．given out | D．carried out |
.I have ______ all my papers but I still can’t find my notes.
| A．looked through | B．looked for | C．looked after | D．looked out |