As a young man,Tom used to 　　 in the town, to find a job for a few coins.

A.knocking about;waited　　　　　　　　　　B.knocked down;waiting

C.knock about;waiting　　　　　　　　　　　D.knocked down;waited

As a young man he suffered from poverty(贫穷)．He used to ________ in the market, trying to find a job for a few coins．

1. A.
   knock into
2. B.
   knock down
3. C.
   knock on
4. D.
   knock about

As a young man, his father used to _______ in the market, trying to find a job for a few coins.

A. knock down        B. knock about         C. knock over          D. knock off

As a young man,Tom used to 　　in the town, to find a job for a few coins.

1. A.
   knocking about;waited
2. B.
   knocked down;waiting
3. C.
   knock about;waiting
4. D.
   knocked down;waited

When I was coming home last night, I was ________ enough to ________ an old lady because of dark．

1. A.
   unfortunate; knock into
2. B.
   fortunate; knock into
3. C.
   unfortunate; knock about
4. D.
   fortunate; knock about