Last night Dad and Mum didn’t come back home ________ I finished my homework.

Li Ping always gets up early and he is late for school.

When did your uncle arriveChina? —He got to Guangzhouthe morning of the 16th of April. [ ]

I want to know more __________about how to use this word.—You can look it up in the dictionary.

Why did you put these photos on your desk? —Because they can ______ me of my old classmates and friends.