The farmers thought of ways _______

The farmers thought of ways ________ their trees.

#97071

of protect

protecting

to protect

to protecting

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Liu Xiang earned the respect from the whole world as he hopped down the track to the finishing line, ____ the last hurdle.

#88553

kissed

to kiss

having kissed

kissing

.—You were brave enough to raise objections at the meeting. —Well, now I regret __    _ that.

#98825

to do

to be doing

to have done

having done

Aboriginal （土著居民）is a term ______ to describe the people living in a place from the earliest _______ times or before European arrived .

#96689

used ; knowing

used ; known

using ; known

using ; knowing

Tom kept quiet about the accident ______ lose his job.

#90523

so not as to

so as not to

so as to not

not so as to

Though trying really hard, they acknowledged ____ at last.

#94691

defeated

defeating

having defeated

having been defeated