Why didn’t you buy any bread- Sorry, I ______.

I walked to the top of the hill with my friend, _____ we enjoyed a splendid view of the lake.

ys mobile internet devices are pushing up demands for online education, which makes people see it as one of the most____ new market.

* — Tom, you your homework— Not yet. I will do it tomorrow morning.

_______, I had no difficulty in finding the famous actor’s house.