单选题 Consultants who have easy access to the president are those who have               the president.

单选题 Our boxes are in （）and should arrive tomorrow.

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

单选题 A helicopter（）the final section of the bridge into place.

单选题 The material that resists heat will           

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

单选题 If darkness or night（），it becomes dark and day changes to night.

单选题 In the first（）, the camera moves slowly across the room.