问题:
While ________ to foreigners,you must try your best to make yourself ________.
A.spoken…understood
B.spoken…understand
C.speaking…understood
D.speaking…understand
While ________ to foreigners,you must try your best to make yourself ________.
A.spoken…understood | B.spoken…understand |
C.speaking…understood | D.speaking…understand |
参考答案: