(2013·陕西高考)It remains to be seen ________ the newly formed committee's policy can be put into practice.
A．that B．which
C．what D．whether
(2013·河南豫西五校高三质检)Helen has just heard the news from her father ________ her boyfriend David will come back soon.
A．when B．how
C．which D．that
(2013·四川高考)________ you said at the meeting describes a bright future for the company.
A．When B．How
C．What D．That
(2013·江苏苏、锡、常、镇一模)Time is of no importance to great thoughts, ________ are as fresh today as when they first passed through their authors' minds, ages ago.
A．what B．that
C．which D．where
(2013·辽宁五校协作体一联)Willpower is a kind of quality, ________ is ________ it takes to do anything well.
A．what; which B．what; what
C．which; which D．which; what
(2013·安徽名校联考Ⅱ)________ nearly all behavior is learned behavior is a basic assumption ________ has been put forward by social scientists.
A．What; that B．That; what
C．What; what D．That; that
