--What do you think of maths?--My favorite. It’s ______ for me to study of all the subjects in school.
Put such dangerous stuff as medicine, knives and lights_______ the reach of children.
Jim got up early _____________ he could catch the early bus.
Zhang Guorong’s singing career _________ about over 20 years. It was his _______appearance at singing in public.
They thought __________ important to look right and left when ________ the road.
________ our teacher is ill, ________ he still come to our class to teach us.