1.If you (按) the button,the machine will start.
2.I don’t like this radio play—Let’s (转换) to another programme.
3. (缺乏)of vitamin B can produce a variety of symptoms.
4.He (指引) us through the narrow streets to the central mosque.
5.He took up his (定居) in a new house.
6.I don’t know about the (动机)of their research.
7.They have no children together,but each has a son from a (从前的) marriage.
8.I told him I wasn’t going to (容忍) his drinking any longer.
9.Please (系上) your seat belts tightly as we are landing shortly.
10.Judy and Jane are twin girls,but they are different from each other in many (方面).
答案:1.press 2.switch 3.Lack 4.guided 5.settlement 6.motivation 7.previous 8.tolerate 9.fasten 10.aspects