Do you know that Yuan Longping is known as ______ father of hybrid rice (杂交水稻)?
| A．/ | B．the | C．a | D．an |
相关试题
Nowhere else, as his mother told us, __________ except the cabin in the backyard.
| A．did he go | B．he did go | C．went he | D．he went |
We’re all ready to put it into operation, ____________, we’re going to take action as fast as possible.
| A．on the whole | B．in general | C．in conclusion | D．in other words |
—Your flight was quite late last night.
—Yes, it was midnight __________ our plane finally got to Jinan.
| A．that | B．when | C．since | D．until |
—I think I should wear a dress instead of this jeans.
—It’s just a small informal party, so you don’t have to ___________．
| A．warm up | B．put up | C．dress up | D．keep up |
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