问题补充:
takes a lot of concentration and a great sense of balance to stay on it.
A. It
B. This
C. What
D. That
答案:
(答案→)A. It
B. This
C. What
D. That
解析:句意:这需要高度的专注和很好的平衡感才能站在上面。这里使用it做形式主语,句型是:It takes sth to do …..,it是形式主语,不定式是真正的主语,所以选A。
时间:2021-07-17 16:05:42
takes a lot of concentration and a great sense of balance to stay on it.
A. It
B. This
C. What
D. That
(答案→)A. It
B. This
C. What
D. That
解析:句意:这需要高度的专注和很好的平衡感才能站在上面。这里使用it做形式主语,句型是:It takes sth to do …..,it是形式主语,不定式是真正的主语,所以选A。