问题补充:
单选题Mybrothertried___,butstillhecouldn workoutthismathsproblem.A.a great deal ofB.a great dealC.a number ofD.lots of
答案:
B解析ACD三项中的of后应跟一名词,所以只有B符合题意.
时间:2018-12-31 22:07:21
单选题Mybrothertried___,butstillhecouldn workoutthismathsproblem.A.a great deal ofB.a great dealC.a number ofD.lots of
B解析ACD三项中的of后应跟一名词,所以只有B符合题意.