At the meeting they discussed three different ________ to the study of mathematics.
A. approachesB. meansC. methodsD. ways
________ the Internet is bridging the distance between people, it may also be breaking some home or will cause other family problems.
A. WhenB. WhileC. IfD. As
The young man ________ there playing his mobile phone all the afternoon, but he ________ to his boss that he had finished what should be done.
A. lay/ liedB. lied/ lyingC. laid/layD. lay/lying
Nowadays people are more concerned about the environment ________ they live.
A. whatB. whichC. whenD. where
If you are not familiar ________ the topic, you may write something that is familiar ________ you.
A. with; withB. to; toC. to; withD. with; to
There is no doubt ________ technological advance enables people to live more comfortably and happily.
A. whichB. whereC. whatD. that
