These engines ______ by hand, now they ______ by electricity.
A: used to be started; are started
B: used to start; are started
C: used to be started; start
D: used to start; start
A: used to be started; are started
B: used to start; are started
C: used to be started; start
D: used to start; start
A
举一反三
- The manager ordered the work ______. A: start at once B: to be started at once C: to start at once D: at once started
- He ordered the work (). A: started at once B: to be started at once C: to start at once D: at once start
- The doctor recommended that Mary ________ the health program as soon as possible. A: started B: will start C: start D: have started
- Youhadbetter_____________atonce. A: to start B: started C: start D: starting
- The young man still denied（）the fire behind the store. A: start B: to start C: having started D: to have started
内容
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That young man still denies ______ the fire behind the store. A: to start B: having started C: start D: to have started
- 1
The young man still denies ________ the fire behind the store. A: to start B: having started C: start D: to have started
- 2
Everybody has arrived. It's time we ______ the work. A: shall start B: would start C: had started D: started
- 3
The fire（）in the furnace under the house. A: is believed to have started B: they believe to have started C: that is believed to start D: that they believe to start
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It is suggested that the project ______ until all the preparations have been made. A: would start B: should start C: not to be started D: not be started