My sister used to study in a ______.A.girl schoolB.girls schoolC.girls schoolD.girls sch

In paragraph 3 the writer uses the phrase "to the best of my knowledge..." because ______.

My sister is always building castles in the air. The underlined part means ______.A．daydre

Language variation according to use in specific situations is studied in terms of______.A．

My sister has_____ been to the Summer Palace. I ’m going to take her there.A.everB.som

My sister and I have______ideas on how to raise children.A．irregularB．diverseC．irrelevantD

My sister spends _____ studying so that she might later get a better job .A.most of