When the students heard the news, all of them were in _____.
| A．higher spirit | B．high spirits | C．a high spirit | D．a higher spirits |
A new case study says Chinese companies face tough _____in the US and have a long way to go to be successful.
| A．challenges | B．campaigns | C．motivations | D．dilemmas |
Lily got up at 6 o’clock ，but she realized it was Sunday as soon as she prepared her school bag.
| A．as possible | B．as usual | C．at present | D．at last |
—How did your father smoking?
—The doctor told him to do so，and he took the advice.
| A．give in | B．bring in | C．give up | D．bring up |
While listening carefully, the students______ what their teacher said.
| A．set down | B．turned down | C．got down | D．calmed down |
Sam always pronounces my name wrong. Do you think he does it ______ ?
| A．on purpose | B．at present | C．at an end | D．right away |