Yolanda went through the test paper once more carefully for fear that she would _______ any essential details.

Allthechildrenontheplaygroundstaredupintotheskyuntilthenoiseoftheplane_________.

What did the policeman say to you, Liu Ying— He told me ______ my purse in the bicycle basket. It’s too dangerous.

The biggest problem for most plants,which_______just get up and run away when threatened,is that animals like to eat them.

He apologized for ____able to inform me of the change about the plan in advance.