Not until a monkey is several years old_________to exhibit signs of independence from its mother.




A.beginning
B.does it begin
C.and begin
D.it begins

The policeman explained to us_________get to the market.




A.how
B.how could
C.how we could
D.how could we

It is implied that Nobel's profession was in ________.




A.chemistry
B.medicine
C.literature
D.science

Choose the best option to complete the following sentences.
The audience, ________enjoyed the performance.




A.most of them were students,
B.most of whom were students,
C.they were mostly students,
D.they themselves were students

My uncle took______ photography when he retired from work.




A.on
B.over
C.after
D.up

Nancy: "________" - Sue: "Great. Thanks."




A.Excuse me !
B.How are you doing?
C.What are you doing?
D.Be careful!

I like babysitting, although the children always _________a mess




A.make
B.produce
C.do
D.take

Jerry: "___________"
Thomas: " Oh, really? Why?"




A.You have a doctor's appointment at ten.
B.Our tomorrow's class has been canceled
C.What do I do next?
D.When do you have class again?

People say he won a lot of money on the lottery.




A.He is said to have won a lot of money on the lotterya
B.He was said to win a lot of money on the lottery.
C.He won a lot of money on the lottery, it is said
D.He is said that he won a lot of money on the lottery.

This passage suggests that the successful exploration of the ocean depends upon __________




A.the limitations of diving equipment
B.radios that divers use to communicate
C.vehicles as well as divers
D.controlling currents and the weather