In modern times, people are facing all kinds of _____ although they are leading a comfortable life.
A person ________ with H7N9 viruses will be more likely to die of lung dysfunction.
Don’t be too general. Please give a ________suggestion on how to deal with this difficulty.
______ having a busy schedule, Ariel Lin attended an environmental art exhibition.
— You ______ to the housing agency in time.— OK, I’ll try my best.
Next door to ours ______, who has impressed us with his special talking style.