Onlywhenyouhaveobtainedsufficientdata________cometoasoundconclusion.
A、canyouHe refused to tell us whether he ________ (undertake) the job.
________ (catch) in the rain, he was wet to the skin.
He________methathedecidedtoleaveonMonday.
Matteristhename________(give)toeverythingwhichhasweightandoccupiesspace.
Only when you have obtained sufficient data ________ come to a sound conclusion.
