To avoid on how to use the word, you’d better refer to a dictionary.
________ to the hot weather here was more difficult than I had expected.
________ that's important is that you are doing your best and moving in the right direction.
—It often rains in that area.Please take an umbrella with you. —________.
—How is the man injured in the earthquake? —The doctor said if ________ in a proper way,he was likely to be saved.
After his journey from abroad, Richard Jones returned home,________.