When you’re learning to drive, _______ a good teacher makes a big difference. A
题型：不详难度：来源：
When you’re learning to drive, _______ a good teacher makes a big difference. | A．have | B．having | | C．and have | D．and having |
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答案
| B |
解析
B。这是一个含when 引导时间状语从句的主从复合句，having a good teacher 在主句中用作主语。 |
举一反三
I felt it a great honour ______ to speak to you.| A．to ask | B．asking | | C．to be asked | D．having asked |
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Anyone _______ bags, boxes, or whatever, was stopped by the police.| A．seen carry | B．seen carrying | | C．saw to carry | D．saw carrying |
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Mr Reed made up his mind to devote all he had to _______ some schools for poor children.| A．set up | B．setting up | | C．have set up | D．having set up |
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The discovery of new evidence led to _______. | A．the thief having caught | B．catch the thief | | C．the thief being caught | D．the thief to be caught |
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“Where is David?” “He is upstairs ______ ready to go out.”| A．to get | B．getting | | C．to be getting | D．having got |
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