__________ she couldn’t understand was_________more and more students showed little interest in their lessons.
Nowadays ________ Internet is becoming increasingly popular and new high speed broadband network was recently started.
The TV set he _________ works well now.
There are a lot _______ people today than yesterday.
Wang Wei is one of many Chinese students _______ “on the go’.
With the development of science and technology, people’s life _______ in the past few years.