下列各项中的句子中加点的字词意义和用法完全相同的一项是（ ）

er why the thinnest plastics bags, though ________ , are still in use here.—Well,it’s no easy job to solve this problem effectively.

I hate _______ in such a noisy room.

4．— Will you join us in the dance tonight? — I’m afraid notMy uncle is coming by train at 7 pm and I_________him at the station then

They _____a lot through group work on thesports field