单选题 Unit 1  Language Focus：

If darkness or night_______it becomes dark and day changes to night.

单选题 The foundations will have to be________to prevent the house from sinking further into the ground.

单选题 A helicopter________the final section of the bridge into place.

单选题 Unit 1 单选题：

Consultants who have easy access to the president are those who have________ the president.

单选题 The politician attempts to keep the favor of the voters. The word "favor" here means __________ .

单选题 Our boxes are in ________ and should arrive tomorrow.

单选题 The material that resists heat will _________.

单选题 In the first ________ the camera moves slowly across the room.