They are all _________ at the _______ news.A、exciting; excitedB、excited; excitingC、 exci

Where are the two rulers？ They are ______.A．in the pencil－boxB．at homeC．in the desk

They are sure they have all the facts they need to ______ the existence of a black hole.A．

All of the following are mentioned in the discussion of lichens EXCEPT ______.A．They are c

All of the following statements are the advantages of inflatables EXCEPT that______.A．they

They are sweating all over. They ______ in the field.A．may beB．must have been workingC．cou

If two sounds are in complementary distribution, they are ______ of the same phoneme.A．all