.The dog __ several days ago, I felt very sorry for its __ .
A.died; death B. died; died
C.death; died D. death; death
Half of the class ___ most of the work . Some of the work ___ really difficult .
A. have done, is B. has done, are
C. has done, is D. have done, are
Now some robots are_______ to do the same things _______ people.
A enough smart; as B．enough smart; for
C．smart enough; as D．smart enough; with
We have two rooms ________, but I can’t decide _________ __.
A. to live; to choose which one B. lived; choose which one
C. to live in; which one to choose D. live; which one
--- He didn’t go to the this morning, did he?
-______. Though he was not feeling very well.
A．No, he didnt.B．Yes, he did.
C．No, he did. D．Yes, he didn’t.
Don‘t you think ____ necessary for friends to trust each other?
A. that B. it C. this D. those
