----Your watch is so beautiful. It must be expensive. ----Not at all. It only ____ $4 .A. cost B. spent C. took
—How old is Mary? —________.We had a special party for her________birthday yesterday. A.Twenty;twentyth B.Twenty;twentieth C.Twenties;twentieth
(安徽)Rick has learned a lot about Chinese culture________he came to China.
Miss Lin________a lot of work for the poor area since 2010.
—________have you been in Chongqing? —For five years.
They dug up the road and________a box hidden under it.