—I’ve got a cough and my chest hurts.—________.Let me examine you.
______ the terrible earthquake in Japan not happened, people’s awareness _______drawn to the risk of being exposed to nuclear radiation.
_____ of their bad habits, the boys switched from being dependent on their parents to _____ for others.
Scientists ______ thousands of chemicals before they decided on the right one in the end.
To some extent, uncontrolled information from the website that many people turn _______ false.
People who tend to focus on ______ while speaking a foreign language may find that they worry too much about making mistakes.