Only when he returned _________ that the war had ended and the army had come back.
A．we tell B．we told C．did we tell D．were we told
--- Can you introduce me a high quality machine?
--- My pleasure. _______ well even on wet roads, this kind of car is very popular.
A．Handled B．To handle C．Handling D．Being handled
September 8th，1931 is a special day，________, I think，that will be remembered by the Chinese forever.
A．one B．it C．which D．that
I ______ him in time, otherwise he would have fallen off the bike.
A．had supported B．supported C．have supported D．support
_______ the calculation is right, scientists can never be sure that they have included all variables and modeled them accurately.
A．Even if B．As far as C．If only D．So long as
--How do you think I can make up with Tom?
---Put aside_____ you disagree and try to find_____ you have in common.
A．what, what B．where, what C．what, whether D．where, whether
