New born babies can hold things with either of their hands,but______about two years they usually like to use their right hands.
A in B after C before D for
“in+一段时间”,一般用在一般将来时中;而“after+一段时间”一般用在一般过去时中,通过句意我们分析应该是一般现在时,所以选A就是对的,这就是本问题的考点所在!
New born babies can hold things with either of their hands,but______about two years they usually like to use their right hands.
A in B after C before D for
“in+一段时间”,一般用在一般将来时中;而“after+一段时间”一般用在一般过去时中,通过句意我们分析应该是一般现在时,所以选A就是对的,这就是本问题的考点所在!