As the light turned green, I stood for a moment, not _________, and asked myself what I was going to do. A. moved B moving C. to move D. being moved
A greenhouse is a building _______ of glass _______ for keeping plants warm when the outside temperature is low..
She is the only one of the persons ________ from the mistakes.
About _______ gene-targeting drugs are already in testing pipeline. It won’t be long ______ they are put into effect.
---_________________ ---Thank you. I certainly will.
When you go by train, please see to it_______ you take an express, _______ that stops only at big stations.