1 . —I have heard that John wrote a long letter to the president.
—His uncle insisted that he ______it.

A．did

B．had done

C．do

D．would do

2 . They advised that a passport_____with you at all times.

A．carried

B．was carried

C．be carried

D．carry

3 . We insisted that the meaningless argument________.

A．should bring to an end

B．was brought to an end

C．might come to an end

D．come to an end

4 . He was determined that his children _____ to the best school available.

A．should go

B．went

C．ought to go

D．would go