I can’t figure out ____ you didn’t call Ted back that day. [ ]

Sarah won the creative writing prize at the London Student Awards, ______ hundreds ofother stateschool pupils.[ ]

Which of the two coats will you take—I’ll take________ of them，because I don’t like the colours.

____ the beginning ______ the meeting, they didn’t agree ___ me.

If the drought________in Southwest China, the crops will be ruined. Worse still, both people and animals will be threatened with a lack of drinking water.