_______ to his brother's graduation ceremony, George wouldn't have met Mary.
A.Had he not gone
B.Hadn't he gone
C.If he has not gone
D.If he shouldn't have gone

I studied English for four years in high school. _________ had trouble talking with people when I was traveling in the US .
A.Otherwise, I
B.Therefore, I
C.Although I
D.However, I

The maid ___________the beds every morning.
A.has
B.does
C.takes
D.makes

We all hope that the dispute _________by the end of the month.
A.was going to settle
B.will have been settled
C.had been settled
D.is supposed to settle

Gold, as well as silver, ________in price, he said.
A.Have fallen
B.has fallen
C.fall
D.are falling

____migrate long distances is well documented.
A.That it is birds
B.That birds
C.Birds that
D.It is that birds

We live in the ________on the corner.
A.brick house old large
B.large old brick house
C.old brick large house
D.brick large old house

No sooner _________the news than she fainted.
A.she heard
B.had she heard
C.as she heard
D.she had heard

I came __________this old book while I was tidying my room.
A.into
B.up
C.across
D.out

The boys we met on the train _________soldiers on leave. They were young, with very short haircuts.
A.could be
B.may be
C.had had to be
D.may have been