问题

There a house standing on the top of the mountain.

A:used to be
B:is used to be
C:used to have
D:is used to have;

正确答案是：

同类题型

The book was written in 1946， the education system has witnessed great changes.

It is not easy to learn English well but if you ________,you will succeed in the end.[ ]

ering the time limits, we also provide CDs________ our students may prefer to study at home

Her pale face suggests that she ______ in poor health and her friends strongly suggest that she _____ a doctor.

下列词语中没有错别字的一组是(　　)