1 ( ) I think ______ important to learn English well.
1 ( ) I think ______ important to learn English well.
A this B that C it D you are
2 ( ) The radio is _____a strange signal.What's wrong with it?
A giving up B giving in C giving out D giving away
3 ( ) ----Have finish the work?
----Not yet.but no matter how hard it is.We'll keep ____ until we make it.
A failed B trying C tried D failing