Excuse me, Mum. When can we have dinner? —Not until it in half an hour.

Seeing the car trapped in the snow drift, the driver didn’t know ______ it.

Mr Hu is interesting _____ everyone likes his lessons. [ ]

Excuse me, can I interview Mr. Miller this afternoon?—A moment, please. Let me check ______.[ ]

Mary couldn’t make herself _______ attention to because her classmates made so much noise.