_________ in Current Biology, the finding suggests that female birds seek mates with superior singing skills.

_________ in Current Biology, the finding suggests that female birds seek mates with superior singing skills.

#95584

To publish

Published

Having published

To be published

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 ________ with care, one tin will last for six weeks.

#94319

Use

Using

Used

To use

Two years ago she bought an expensive bike and then she persuaded me          one.

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buy

buying

to buy

bought

Mr. Smith suggested the problem worth paying attention ______ at the meeting.

#94070

to be discussed

to being discussed

being discussed

be discussed

This soup is cold; it needs _____.

#97524

to heat

to be heated

being hot

heated

We are invited to a party      in our club next Friday.

#91992

to be held

held

being held

holding

共7470题