We have some problems ________ the big bag.

If you are feeling so tired, perhaps a little sleep would ________. [ ]

There’s no light on in the dormitory. They must have gone to attend the concert to be held on the campus, ________?[ ]

You can never imagine what great trouble we have _______ the matter.

The museum _______ from 9:00 a.m. to 5:00 p.m. every day. Let’s go together this Sunday.