Question

Betty__China for about two years A has been to B has gone to c has been in d went to M...

Betty__China for about two years
A has been to B has gone to c has been in d went to

MY mother went out but only five minutes later she___
A return B returned c returned back d come back

Answer 1

1. 正确答案是C Betty来中国两年了。has been to 语法上没错，但是逻辑不对， has been to 是去了中国，我们在中国，不会说去了，只是需要has been in，表示状态，他在中国呆了两年了。

2. 正确答案是B。 Return就是回来的意思，不需要back。 其他的A和D时态不对，要用过去时。

绝对没错的！

Answer 2

1选A,贝蒂曾经在中国呆两年（现在不在中国了）。2.B return 后接back的话要带to

Answer 3

是选CB

Answer 4

CB

Answer 5

C、B