It looks _____ he is not so healthy as he used to be.
| A．in case | B．ever since |
| C．even if | D．as if |
The teacher stressed again that the students should not ______ any important details while retelling the story.
| A．bring out | B．let out | C．leave out | D．make out |
As nobody here knows what is wrong with the machine, we must send for an engineer to ______ the problem.
| A．handle | B．raise | C．face | D．present |
Though having lived abroad for years, many Chinese still ______ the traditional customs.
| A．perform | B．possess | C．observe | D．support |
The top leaders of the two countries are holding talks in a friendly
| A． | atmosphere | B． | state | C． | situation | D． | phenomenon |
The young man made a ______ to his parents that he would try to earn his own living after graduation.
| A．prediction | B．promise | C．plan | D．contribution |