—You look very pale. You __________ very tired. — I didn ’ t sleep at all last night.
A、mustbeA
暂无解析
I_________whenIwasayounggirl.
—It’sawarmday,isn—’Yes,tit?it’s__________cold.Ijustwearajacket.
The number of tall buildings __________ greatly in Tianjin in the last few years.
Our teachers made us ________a lot of homework after school.
One way to understand thousands of new words is to gain __________ good knowledge of basic word formation.
