23It’s reported that at least one Chinese vessel________in the hands of attackers in Somalia so far

She said she had some trouble _________ yesterday’s homework.

_____ we were worried about was _______ they could manage to control the pollution

st I insisted to go with Rose and Peter, butwhen I realized they wanted to be alone together so I felt very _______ and uncomfortable.

下列对加线词解释全对的一项是