The split between humans and apes is believed by scientists______15 to 20 million years ago.
#90155
A
to be occurring
B
having occurred
C
to have occurred
D
to occur
推荐题目
We shouldn’t think barefoot running strange. It’s normal, fun and comfortable if _____ properly.
#96472
A
doing
B
to do
C
done
D
being done
Now that we've discussed our problem, are people happy with the decisions ________？
#88310
A
taking
B
take
C
taken
D
to take
They were very excited to see the baby tiger ______ by the mother dog.
#97277
A
take good care of
B
taking little care of
C
taken good care of
D
to take some care of
Chinese President Xi Jinping promised on Sunday, “We’ll make great efforts the Chinese dream.”
#91256
A
achieving
B
achieved
C
to achieve
D
to have achieved
—They are quiet, aren’t they? —Yes. They are accustomed ________ at meals.
#89609
A
to talk
B
to not talk
C
to talking
D
to not talking