思考与探究 I.单项选择。 C )1.My father tells me the window. A.open B.opens C.to open D.opening B )2.It'simportant to learn to use the right language in different situations. A.where B.how C.that D.what 导航页导航页 思考与探究 Ⅰ.单项选择。 ( )1.My father tells me the window. A. open B. opens C. to open D. opening ( )2.It’s important to learn to use the right language in different situations. A. where B. how C. that D. what C B