单项选择 适中0.65 引用3 组卷495
—Yuan Longping, a famous Chinese scientist, is now doing research on sea rice.
—If farmers ________ start planting rice in salty water, China's food supply will surely rise.
—If farmers ________ start planting rice in salty water, China's food supply will surely rise.
| A．can | B．can't | C．must | D．mustn't |
19-20八年级上·全国·课时练习
类题推荐
—Mom, doing homework ________ makes me feel bored. What about going for a walk?
—Good idea.
—Good idea.
| A．at times | B．from time to time | C．at the same time | D．all the time |
We hope our school can invite experts to give us talks ________.
| A．at a time | B．all the time | C．at the same time | D．from time to time |
When the autumn comes, the day ________ shorter and the leaves ________ yellow.
| A．changes; get | B．turn; gets | C．gets; turn | D．becomes; gets |
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