e class time, our teacher has ______students do half of the exercises in class and complete the other halffor our homework

(2013·甘肃兰州名校高三检测)Give me an undisturbed hour and I ________ the work Tom has left unfinished

You are wanted on the phone.— _______ nobody knows I’m here.

We have ___________ books to read every year.

U.S. President Barack Obama ______ a speech at a dialogue with Chinese youth at the Shanghai Science and Technology Museum during his four-day state visit to China, Nov. 16, 2009.