— I missed the beginning of The Voice of China last week.— ! But you can watch re-play this week.
His grandpa is __________ old __________ do any housework.
—__________ yogurt do we need? —Two cups.
We don’t know __________ he can make a plane by himself. It is amazing.
—When __________ he __________ fishing? —Next weekend.
—How long are you staying here? —That __________ the weather.