A number of graduates prefer to work in big cities , where there are lots of _______, like convenient transportation , more opportunities and better environment.

You will make some progress inyour study of English ______ you keep more words in mind.

ed Hannah many times yesterday evening, but Icouldn’t get through. Her brother ______ on the phone all the time.

The box is used to collect waste which can be ________，such as plastic bottles and paper.

I like __________ my bike __________ weekends.