In this park, birds often fly down from trees to eat from visitor’s hands. They are used to ______ in this way.( )

A.which

B.where

C.when

D.what

A.moment

B.a moment

C.the moment

D.that moment

A.Following

B.To follow

C.Follow

D.He followed

A.touch

B.relation

C.connection

D.friendship

A. to learn

B. learn

C. learning

D. learned

A.voice

B.cry

C.sound

D.noise

A. We have signed B. We haven’t signed

C. We signed D. We had signed

A.consistently

B.consequently

C.constantly

D.continuously

A.on account of

B.thanks to

C.but for

D.as for

A.for,to

B.for,as

C.as,for

D.as,as