【C6】A．doingB．winningC．givingD．making

【C6】A．makingB．makeC．madeD．makes

【C18】A．giveB．be givenC．be givingD．have given

With the work （), she felt greatly relieved.A、doingB、being doneC、doneD、been done

53._________A. givenB. to giveC. givingD. having

more attention the tree could have grown better.A.GivenB.To giveC.GivingD.Having given

Tom failed ______ the experiment yesterday.A.doingB.didC.to doD.do