Engagement refers to： A: occipital bone enters pelvic inlet plane B: parietal bone enters pelvic inlet plane C: biparietal diameter enters pelvic inlet plane D: biparietal diameter enters the plane of ischial spine

WhenAnna____theroom,agroupofyoungmenweretalkingeagerlyroundthetable. A: enters B: hasentered C: wasentering D: entered

If your computer enters its GUI, you must use the mouse.

When a cell is placed in higher water potential solution, . A: Water enters the cell. B: Water exits the cell toward the solution. C: Water enters and solute exits the cell. D: None of the above is correct.

The gas lift valve is the channel and switch where the gas enters the lift pipe.

The （） in the injector will lift at a pre-set pressure which ensures that the fuel will atomize once it enters the cylinder.

Compulsory education in the USA begins at the age of eight, when a child enters the primary school.

50% -80% of vitamin D in food is absorbed in liver and enters the blood via lymph.

The needle valve in the injector （） at a pre-set pressure which ensures that the fuel will atomize once it enters the cylinder.

The door opened and there ______ a young girl in red coat. A: is B: were C: enters D: entered