第1题:
spending
spent
to spend
to have spent
第2题:
第3题:
I don’t know when the plane takes off.
He was on the point of leaving when someone knocked at the door.
I still remember the day when I first met Jennifer.
I have no idea when the game will begin.
第4题:
Statistics on other major disease epidemics.
Effects of war on the general population.
Arguments for developing a better public health system.
The connection between World War II and influenza.
第5题:
第6题:
第7题:
第8题:
is
are
has been
have been
第9题:
第10题:
To invite the student to attend a meeting with her.
To let the student know that she will have to leave soon.
To announce that she will be speaking at a meeting.
To explain why she cannot help the student right now.
第11题:
第12题:
第13题:
Children should respect parents despite parents’ ill-treatment.
Parents without gratitude to children are not worth respect.
Parents should tolerate children’s occasional moodiness.
Children should be grateful to parents unconditionally.
第14题:
第15题:
The classes that they are taking.
The theatre program at their school.
The woman’s interest in an internship.
The man’s experience in a law firm.
第16题:
第17题:
第18题:
第19题:
Her illness kept her in bed for a week.
Health is above wealth.
This is his reply to your letter.
A man stepped out from behind the wall.
第20题:
puzzle
perplexity
dilemma
bewilderment
第21题:
第22题:
I had hardly got home when the telephone rang.
I had no sooner got home than the telephone ring.
She said she had worked in that factory since 1980.
We have been waiting here for almost an hour.
第23题:
第24题:
adding
to have added
to add
added