21. It has been decided that we are going to build a railway whose base must be completed within this year。

    22. It is obvious (evident) that the success of the innovation depends on our concerted efforts。

    23. To be frank, whether you like it or not, you have no other choice。

    24. It is natural that one may have trouble expressing complicated ideas in simple English。

    25. What is more important, the agreement they have negotiated is being carried out.

    26. We will be successful as long as we persevere。

    27. Frankly speaking, what you call the truth may not apply to things happening here.

    28. It is true that we must redouble our efforts; otherwise we cannot catch up with the developed countries。

    29. I take it for granted that they will support this idea. I regard it as natural that they will agree to this idea。

    30. In a certain sense, a successful scientist is a person who is never satisfied with what he has achieved。

    》》更多精彩冲分课程：
    四级冲刺班（必胜课教师团）  四级冲刺班（高分战队）
    四级冲刺班（优质四级）     六级冲刺班（东方六必治）
    六级冲刺班（笑傲六级）      六级冲刺班（六神战队)

(责任编辑：田学江)