[单项选择]The professor spoke very clearly to make himself ______.
A. to understand
B. understood
C. understanding
D. understand

[填空题]Until recently most historians spoke very critically of the Industrial Revolution. They 【B1】 that in the long run industrialization greatly raised the standard of living for the 【B2】 man. But they insisted that its 【B3】 results during the period from 1740 to 1840 were widespread poverty and misery for the 【B4】 of the English population. 【B5】 contrast, they saw in the preceding hundred years from 1640 to 1740, when England was still a 【B6】 agricultural country, a period of great abundance and prosperity. This view, 【B7】, is generally thought to be wrong. Specialists 【B8】 history and economics, have 【B9】 two things: that the period from 1640 to 1740 was 【B10】 by great poverty, and that industrialization certainly did not worsen and may have actually improved the conditions for the majority of the populace.
A. A．admitted
B．believed
C．claimed
D．predicted

[单项选择]A liar cannot make himself （　）.
A. believe
B. to believe
C. believing
D. believed

[单项选择]He was trying to make himself ______
A. to understand
B. understanding
C. understood
D. understand

[单项选择]What do you think （　） to make himself（　）.
A. Bob will say; believe
B. will Bob say; believed
C. Bob will say; believed
D. will Bob say; believe

[单项选择]He still couldn't make himself （）, though he had illustrated his suggestion twice.
A. to understand B. understood
B. is understanding
C. been understood

[单项选择]He tried hard to make himself ______ with his broken English.
A. understood
B. understand
C. understanding
D. understanded

[单项选择]To make friends and communication is very important to teenagers.

[单项选择]The boy couldn't make himself ______because of his poor English.
A. understand
B. understanding
C. understood
D. to understand