I watched the plane go higher and higher until I lost _____ of it．

– The contest is drawing near, and I feel very nervous.-- ______. So long as you try your best, it doesn’t matter whether you win or not.

(2013·杭州学军中学高三质检)—I said hello to you in the street yesterday，but you________me completely.—I’m sorry.Maybe I didn’t notice you.

 Nowadays, teachers should give less homework to students in order to ______ the amount of pressure they have.

--- I’m ______ endless examinations.--- Cheer up, David. Keep on until the college entrance examination ends.