A．did he beginB．had he begunC．he beganD．he had begunNot……

单项选择题Galileo lived in the City of Pisa, ______there is a leaning tower about 180 feet______.

填空题______(油漆成) red, the building stands out among the rest and looks very attractive. (paint)

单项选择题Last year the number of students who graduated with a driving licence reached 200,000, a(n) ______ of 40,000 per year.

单项选择题Jim went to answer the phone.______, Harry started to prepare lunch.

填空题The news______(房价将要下跌) has caused many people to sell their houses at lower prices. (fall)

填空题Mr. Johnson insisted that the problem worthy of attention______(讨论) at the meeting. (discuss)

单项选择题We only had $ 100 and that was______to buy a new computer.

单项选择题The meat you bought last week______terrible. It______bad.

单项选择题______you told me______true

填空题Only if people of all the countries are united______(我们才能解决) the existing problems in the world. (solve)