A subject which seems not yet______by doctors and psychologists is the influence of geogra

The relationship between exposure to ______ has not yet been determined.A．ozone and fall i

_____caused the accident has not yet been found.A．WhichB．WhicheverC．WhatD．Whatever

Ms. Green______living in town for only one year, yet she seems to know everyone who comes

The old man sitting on the park bench seemed______to me, yet couldnt possibly remember whe

Mrs Green has been living in town for only one year, yet she seems to be ______with everyo

Counting will not begin______tomorrow______the result will be announced.A．yet, andB．yet, b