I don’t think she ____what happens to her children.

Mary didn’t invite us to the party. — _______ I don’t care.

He must be helping the old man to water the flowers, _____?[ ]

255. The college entrance examination isdrawing near and all the students are ploughing through their studies. Whatdoes the underlined part means _____.

He got home late ____________ the traffic was heavy.