Everything ________ before the experiment began.

After everyone took _ place, the meeting began.A. hisB. theirC. thereD. the

It was not until 1920 ______ regular radio broadcasts began.A. whichB. whenC. th

It was not until 1920 _____ regular radio broadcasts began.A. whichB. whenC. tha

After everyone took_______ place, the meeting began.A. hisB. theirC. thereD. the

As an experiment, I began________up for myself, even at the risk of alienating D

[单选题]The experiment ______ the discovery of a cure for cancer.A． happened toB． led upC． resulted inD． set up

[单选题]B．y mentioning the experiment in the second paragraph，the author implies that______.（ ）[A]our definition of what’s normal varies with gender[B]our focus of attention variesl with gender and age[C]our definition of what’s average changes over time[D]o

[单选题]The experiment showed that the smaller fish .A． fought over a feast B. went on diet willinglyC． preferred some extra food D. challenged the boss fish

[单选题]The experiment has_________ the possibility of the existence of any life on that planet, but it does not mean there is no life on other planets.A． found outB． pointed outC． ruled outD． carried out

[单选题]The experiment was ______ easier titan we had expected.A． moreB． much moreC． muchD． more much