419.He speaks English well in deed,but of course not _____ a native speaker.
A.as fluent as
B.more fluent than
C.so fluently as
D.much fluently than
420.If I had ________,I'd go to Africa alone,stopping at all the interesting places.
A.an enough long holiday
B.a long enough holiday
C.a holiday enough long
D.a long holiday enough