You can hardly imagine what great difficulty we had _________ the task.

Why not open the window? It’s too in the room.

I don’t like math because it is _____.

Who will send you to the new school, your mom, your dad or your uncle?— _______. I’ll go there by myself.

These Maths problems are too hard to ______. Can you help me?—There are many ways, but the most important is to try your best.