Poor speaker of English though he was at the time, he still managed to make himself ________.
B
非谓语动词的选用。过去分词作宾语补足语表示被动以及动作的完成。
______isrecognizedasthenationalflag-carrier.
AccordingtoMaslow,self-actualizationneedexcludes_______
______aretheprimarydestinationsfortheChineseatpresent.
Astothevariouspollutions,whichofthefollowingisNOTtrue?