Most online classes let students learn _____ their own pace.
― Have you finished your composition already, Jack? ― Yes. I _____ it within half an hour.
With the development of science, more new technologyto the field of IT.
It looks like the weather is changing for ______. Shall we stick to our plan?
I wanted some paper but there was _____ in the house.
Many lifestyle patterns do such great harm to health that they actually speed up ______weakening of the human body.