Fill in each of the following blanks with a preposition or an adverb.Students who are not able to register in time for special reasons must ask ____ leave with the relevant certificate.
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She was having a hard time concentrating in class because she's so tired but she ended_____ with two A’s in her first semester anyway.
Teenagers who drop ____of high school have trouble finding decent jobs.
The little child looks____his mother to cure his hurts.
I’m not interested in working part-time as I want to focus____my studies at present.