Kangkang always likes chatting with their classmates ________ the Internet in his free time. [ ]

Maggie wanted an evening job that would allow her to ______ her son during the day.

_____ made our school proud was _____ more than 90% of the students had been admitted to key universities.

To live a green life, we try_________ more energy and produce less pollution.

Is this your schoolbag? – No, it isn’t. Ask Bill. He is looking for_______.