The little girl often _______ Einstein on her way from home to school．

dropped in at

looked in on

paid a visit

paid a call

Your kind cooperation _______．

will be thanked very much

was to appreciate

is to appreciate

will be highly appreciated

(经典回放)I would appreciate _______ back this afternoon．

you to call

you call

your calling

you’re calling

It’s not necessary for you to be _______ about others’ business．

concern

concerning

concerned

concern yourself

He left the place, _______ never to come back．

determined

to determine

being determined

having determined

After graduation, he _______ to give his time to the research of wild life in the mountains．

determined

was decided

thought

was hoped

He is determined _______ in Xinjiang．

to work

working

to working

to have worked

I beg _______ tomorrow’s meeting．

to be excused to attending

to be excused from attending

to excuse from attending

to excuse to attend

Many people earn their living _______ selling newspapers．

to

by

through

from

During the late 1800s and early 1900s, Pavlov specialized in research on the physiology(生理学)of digestion that _______ him a Nobel Prize in 1904．

paid

put

earned

shared