21.When he woke up,he found himself _________in bed and ________by some children.
A.laying;surrounded B.laid;surrounding C.lying;surrounded C.lied;surrounded
With so much noise of the traffic, I couldn`t __________and do my research work.
A. put down B. settle down C.break down D.take down
New technologies have made __________easier to enjoy life than ever before.
A.that B.this C.one D.it
18.The newcomer went to the library the other day in search of ____________he could find about
Mark Twin.
A.wherever B.whatever C.whoever D.however
I woke up with ____________headache,yet by __________evening the pain had gone.
A.the;the B.the;an C.a;the D.a;an
Not until Mary reads her composition the second time ___________the spelling mistake.
A.did she notice B.she noticed C.does she notice D.she has noticed
