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单选题

Hewouldhavegivenyoumorehelp,ifhe________sobusy.

A
havenotbeen
B
hadnotbeen
C
nothavebeen
D
nothadbeen

题目答案

B

答案解析

本题考察与过去事实相反的虚拟语气。

举一反三
单选题

Theprofessoraskedaquestion,andDavid________agoodanswer.

A
putupwith
B
stoodupfor
C
cameupwith
D
lookeddownupon

题目答案

C

答案解析

A 忍受、忍耐 B 保卫、支持 C 想出、提出 D 轻视、看不起

单选题

Thehostsapologizedfor______thatsomeoftheirguestsmightbevegetarians.

A
havingnotconsidered
B
nothavingconsidered
C
havingnotbeenconsidering
D
notconsidering

题目答案

D

答案解析

暂无解析
单选题

Mrs.Smithlockedboththefrontandthebackdoorsbeforeshewenttobed______thatsomeonemightstealintothehouseatnight.

A
so
B
forfear
C
unless
D
oncondition

题目答案

D

答案解析

暂无解析