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A. good for ready for used for famous for
has matured has setup its standards is very much in the early development stages is in use
A. prefer am preferring have preferred preferred
A. prefer am preferring have preferred preferred
saved was teachers' energy was teachers' energy saved teachers' energy was saved was saved teachers' energy
impression expectation observation perspective
super fast downloads small data requirements for IoT 4G system has already satisfied these needs an enormously wide variation in the requirements
is used; not to pollute has used; is not polluted is being used; do not pollute has been used; to pollute
applied to devoted to turned to used to
As a result On average On the other hand By accident
is being developed already appeared will not appear will start to appear
using having been used having used is using
— That’s gooD.You know tea is good for our health. A.used to drinking, drinks used to drink, is used to drinking is used to drinking, used to drink is used to drink, is drinking
is used; not pollute has used; is not polluted is being used; do not pollute has been used; to pollute
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