This composition is ___ order, ___ makes the teacher ____.

She used to________ a bus to school, but now she is used to________ to school.

（2012河北）—Whose is the pencil box—It________be Tom’s．Look at his name on the cover!

Long time no see．Haven’t you graduated from college?—Yes．I____business management for 4 years in Beijing

The number of people invited ______ fifty, but a number of them ______absent for different reasons