We ___ to the farm last week.

Doctors recommended that a modern hospital _________.

It was sad to me that they, so poor themselves, ________ bring me food.

 -_______ I tell the head teacher all that has happened?　-No, you _______! Mr. Xin would be terribly angry.

—How much of the foreign expert’s speech have you understood?—Almost nothing. I wish I ________ harder at English.