All of the followings are mentioned as characteristics of "flash" behaviour EXCEPT_______ .




A.brief conspicuous activity
B.immobility
C.bright body markings
D.aggressive fighting

The description of the prey's movement as "zigzag" suggests that the movement is _______ .




A.reliable
B.fast
C.constant
D.unpredictable

_______(13)




A.when people get older
B.when the older people get
C.the older people get
D.the old people get

_______(8)




A.people
B.people who
C.they
D.everyone who

A.because
B.become
C.beneath
D.beggar

Rewrite the following sentences, beginning each sentences with the cues
I'd like to have more time to study, but I haven't




A.I wish I had more time to study
B.I wish I have more time to study
C.I wish I had had more time to study
D.I wish I would have more time to study

"What do you think of the book?" -" _________."




A.That's right
B.No, it not
C.It's right
D.Oh, excellent

His grandfather died ___________ the age of 90.




A.in
B.of
C.on
D.at

The old manager has just retired, so Tom takes ___________ his position.




A.in
B.on
C.up
D.out

My brother often says that he won't get married until she ___________ 30 year old.




A.is
B.will be
C.will have been
D.has been