He was so______on his work that he didn" t hear her come in.
Generally, vaccine makers______the virus in fertilized chicken eggs in a process that can take four to six months.
Lighting levels are carefully controlled to fall within an acceptable level for
optimal
reading convenience.
I must leave now.______, if you want that book I"ll bring it next time.
We welcome him not______as a new broom but rather as a very old friend.
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Cholera is a preventable waterborne bacterial infection that is spread through______water.
The tutor tells the undergraduates that one can acquire ______ in a foreign language through more practice.
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He tried to run, but he was
hampered
by his broken leg.
The best exercise should require continuous______, rather than frequent stops and starts.
An immediate search over 1,000 square miles of sea failed to ______ single piece of wreckage.
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Your grade will be based on large part on the
originality
of your ideas.
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The drug store at the corner of our street sells aspirins and ______penicillin prescriptions.
A friendship may be deep, lasting, or______, casual and situational.
If a client insists upon being
stubborn
, lawyers have to settle claims in court.