( )31.A. what to do B. what we did C. how to do D. how we did

　　( )32.A. for B. in C. on D. to

　　( )33.A. all things B. Many things C. More D. Much

　　( )34.A. did keep B. should keep C. would keep D. were keeping

　　( )35.A. our B. your C. their D. his

　　( )36.A. still B. but C. even D. or

　　( )37.A. when and where B. of when and where

　　C. that time and place D. of that time and place

　　( )38.A. a good deal about B. a lot of about C. many D. much

　　( )39.A. left B. gave C. leave D. send

　　( )40.A. before B. after C. later D. for

　　( )41.A. almost B. most C. at most D. mostly

　　( )42.A. have not learned to write B. have learned to write

　　C. had learned how to write D. had not learned to write

　　( )43.A. older B. the oldest C. outside D. most

　　( )44.A. by B. about C. for D. within

　　( )45.A. how B. which C. that D. what

　　( )46.A. Some of it B. Some of them C. All of it D. Many of them

　　( )47.A. and B. or C. yet D. even

　　( )48.A. as B. that C. such D. so

　　( )49.A. moved B. forgotten C. recited D. changed

　　( )50.A. where B. there

　　C. where there are D. where they are