A number of tests have been conducted to _______ that these drugs have no side effects.
General Secretary,Xi Jinping stressed that cross-strait cooperation would be strengthened________ the two sides could agree to oppose Taiwan independence.
-How did you find those days? -The days________ we spent together on the farm are not easy________.
George once told me that he would visit our house,but,for various reasons,he ________so far.
-Look,here________. -Oh,it's my secretary.But I________ him to pick me up at seven o'clock.
-Personally,I believe I can do it well on my own. -________Selfconfidence is the first secret of success.