Thevisitingministerexpressedhissatisfactionwiththetalks,________thathehadenjoyedhisstayhere.
C
此处所填的词与其后的宾语从句构成状语，表示伴随情景。 add 是及物动词(有自己的宾语从句)，此处 adding表示主动意义，所表示的动作与谓语动作同时发生。
WhichofthefollowingstatementisNOTtrue?
Thefirsttaskofabrochureisto_______.
It_______fortwohoursnow
Scientistsdoubtwhetherit’s________toregulateone’sbiologicalclockbydrinking.
______aretheprimarydestinationsfortheChineseatpresent.
