—How about your travel? —You can hardly imagine what difficulty we have had ___________ the vast desert.

——Have you         some new ideas?    ——Yeah. I’ll tell you later.

—What do you think of the story in today's newspaper?—We shouldn't ________ the trouble of helping others only because what we do may invite trouble.

She is quite____to office work.You had better offer her some suggestions when necessary．

Whatever amount you decided to ______, be certain that the money will be put to good use.