单项选择题—I wonder ______ Jason changed his mind to take part in the movement.—After he listened to the speech by Mr. King.
单项选择题When Harry first started in university, he really felt ______ with his major-philology.
单项选择题Was it not until you began to work ______ how much time you had wasted
单项选择题After the new technique was introduced, the factory produced ______ cars in 2012 the year before.
单项选择题______ no need for us to make a fuss about some minor defects in the week.
单项选择题You ______ smoke while you re walking around in the wood. You ______ start a fire.
单项选择题China is the birth of kites, ______ kite flying spread to Japan, Korea, Thailand and India.
单项选择题At the foot of the hill, you could hear nothing but the ______ of the running water.
单项选择题—Have you moved into the new house—Not yet, the rooms ______.
单项选择题If ______, the politician promised to do all he could to promote public welfare.