29.— Come on, please give us some more explanation about the project.— Oh, sorry. With so much work ______ my mind, I almost break down.
When we were young, every evening my brother and I ______ stay at home waiting for my mother?
—Are you satisfied with what he did? —No. It couldn’t have been _____.
This year __________ to be another good one for harvests.
Perhaps it is true that nobody in the world knows exactly how the earth __________.
—Why don’t we choose that road to save time? —The bridge to it __________.