They can buy the pens _____ a very good ____

 They can buy the pens _____ a very good _____.

#51047

at, price

in, price

at, cost

at, selling

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---How do you learn English? --- I learn English__________ making flashcards..

#47618

for

with

There are two blackboards ____the wall and two doors _____the wall.

#48700

in, in

on, on

in , on

on , in

--Who are you _____?-- My mother.

#49644

wait

waiting

waiting for

wait for

Jack often  plays soccer ______ three o’clock _____ Saturday afternoon..

#48109

at, on

at , to

in, at

in, in

–Where is the library? -- It’s_____ a classroom.

#49127

in the front of

in front of

between

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