If it hadn't been for his carelessness, he would have finished the work.
A.He was careless because he had not finished the work.
B.If he were careful, he would finish the work.
C.Because he wasn't careless, he didn't finish the work.
D.If he had been more careful, he would have finished the work.

I am sure you didn't lock the door because here's the key.
A.You haven't been able to lock the door because here's the key.
B.You couldn't lock the door because here's the key.
C.You weren't able to lock the door because here's the key.
D.You can't have locked the door because here's the key.

My brother is fond of reading the novels written by Hemingway.
A.It is my brother who is fond of reading the novels written by Hemingway.
B.It was my brother who is fond of reading the novels written by Hemingway.
C.It is the novels that are written by Hemingway are fond of by my brother.
D.It is Hemingway that my brother is fond of reading the novel.

This tradition, which the people of the region…………….for centuries, is now falling into disfavour.
A.followed
B.have been following
C.are following
D.follow

He isn’t in London now because he …......... to the Continent.
A.has been
B.was going
C.has gone
D.would go

According to the passage, where did the inventor of the balloon- frame house originally come from?
A.Chicago
B.Sweden
C.Delaware
D.Connecticut

The word derision is closest in meaning to __________.
A.affection
B.ridicule
C.ignorance
D.regret

Skeptics thought that the balloon- frame house would be _________.
A.expanded
B.blown away
C.raised
D.demolished

Most of the wooden houses of Colonial times were ________.
A.easy to build
B.difficult to build
C.demanding
D.challenging

When scientists studied intelligence and ability in twins, they found that_________________.
A.different twins generally have different levels of ability
B.intelligence and development are irrelevant to ability
C.ability depends mainly on intelligence and achievement
D.ability depends both on intelligence and on environment