---Mum, I’m going to visit my aunt. What about a week? ---A week is too long. Try to be back in ____of days.

What British singer-songwriter Adele worried was ___________ the audience would accept her remained to be seen.

I keep medicines on the top shelf, out of the children’s       .

.Since we have failed many times, why not take  a new _________to solving the problem?

The rocks are very big with _____ of colors on them.