【NN help】p1 200

abby666666 · 发表于 2010-2-9 19:44:37

A scrub jay can remember when it cached a particular piece of food in a particular place, researchers have discovered, and tend not to bother to recover a perishable treat if stored long enough to have rotted.

A. tend not to bother to recover a perishable treat if

B. they tend not to bother recovering a perishable treat

C. tending not to bother to recover a perishable treat it

D. tends not to bother recovering a perishable treat

E. tends not bothering to recover a perishable treat it

选D
想问B为什么不对？

rianne · 发表于 2010-2-9 23:48:15

tend 动作的主语是A scrub jay，应该是单数tends

abby666666 · 发表于 2010-2-10 00:22:36

"s+v+0,and they +v'+o'"中they一定指s吗？
做题还没遇到反例，求确认！~

aeoluseros · 发表于 2010-2-10 01:08:13

"s+v+0,and they +v'+o'"中they一定指s吗？
做题还没遇到反例，求确认！~

-- by 会员 abby666666 (2010/2/10 0:22:36)

一定

abby666666 · 发表于 2010-2-10 03:22:19

恩~多谢斑斑~

【NN help】p1 200

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