Were you told to attend the meeting? I didn’t see you anyway.-________, but I had an accident on the way.[ ]

The energy is ________ makes the cells ableto do their work.

Yesterday he called ____me ____my office and told me the good news.[ ]

Look! The boy in the white shirt ___be Tom. –It ____be him. I saw him enter the library just now.

Hurry! The train ________. You know it ________ at 8?00 a. m.. [ ]