could I use your laptop for a while—___________. Go ahead, please.

What a mess! You need to clean the classroom ________ after school!—-But the final exam is approaching!

______ to frighten the poor man, Mrs. Richards quickly hid in the small storeroom under the stairs.

We should protect the__________ [n’varnmnt].

I’d appreciate________if you tell me some knowledge about rock music.[ ]