Tom’s mother often requires that he        more time in studying English every day．

      A．spend                  B．spends                 C．spending               D．spent

Tom’s mother often requires that he       more time in studying English every day．

1. A.
   spend
2. B.
   spends
3. C.
   spending
4. D.
   spent

Tom’s mother often requires that he ______more time in studying English every day．

A．spend           B．spends          C．spending           D．spent