Snakes always ______ at their prey before they attack.
A.glare
B.stare
C.flare
D.glance
A.glare
B.stare
C.flare
D.glance
Girls are often ______ of snakes ()
A.afraid
B.fear
C.surprised
D.against
In the world, there are over 2, 000 varieties of snakes, ______ are harmless to humans.
A.only they
B.most of them
C.most of which
D.which most
The snakes will attack only if you take it ______ surprise.
A.in
B.by
C.with
D.on
She is such a ______ person, always asking how I'm feeling.
A.considerable
B.considering
C.considered
D.considerate
Children are always curious everything they see.
A.to
B.for
C.on
D.about
A.on the demand
B.on demand
C.in the demand
D.in demand
They always give the vacant seats to ______ comes first.
A.whoever
B.whomever
C.who
D.whom
John always ______ classmates.
A、help
B、helping
C、helps
D、to help
Jefferson always ______ personal investigation before he put forward any suggestion.
A.operated
B.conducted
C.performed
D.practiced