12.So absorbed__________in her work that she didn"t realize I was behind her.A．d

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12.So absorbed__________in her work that she didn"t realize I was behind her.

A．did she

B．was she

C．she did

D．she was

答案

解析

略

举一反三

34．I have had some bad times before, but seldom________so helpless as now.

A．I had felt

B．have I felt

C．I have felt

D．had I felt

题型：不详难度：| 查看答案

Only after you have known someone for some time producers his real worth.

A．you begin

B．do you begin

C．you do begin

D．begin you

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The ship would have sunk with all on board ______ for the captain.

A．if it was not

B．had it not been

C．if it has not been

D．not had it been.

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Bill was staying on a farm with his uncle last summer. So ___ Mary.

A．did

B．has

C．was

D．is

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They don"t study in NO 1 middle school, ___ those boys.

A．so do

B．so don"t

C．neither study

D．nor do

题型：不详难度：| 查看答案