A teacher should not standing behind the table too long in teaching.( )

Our two countries are neighbors which friendship is of long standing

Problems of long （） should be handled with great care. A: time B: period C: standing D: stand

As standing for a long time can be very strenuous on your starff feet, then it should be a must for your booth staff to wear _______ shoes.

The long-standing complaint by the USPS and its unions can be addressed by

Which syncope can be seen in patients laying in bed for a long time and standing suddenly? A: Postural hypotention B: Cardiogenic syncope C: Post-tussive syncope D: Hyperventilation syndrome

nconsistent with previous studies, our results from a large cohort of patients _____ this long-standing assumption.

Nearby, ______ Mrs. White, stretching out cautiously to collect her costly jewels. A: standing on a wooden box was B: was standing on a wooden box C: on a wooden box was standing D: was on a wooden box standing

The teacher had him . A: to stand B: was standing C: standing D: stood

29. The man ______ there is our headmaster. A: stand B: to stand C: is standing D: standing