The little boy is dirty from head to foot because he ___ in the mud all morning.
__________ she couldn’t understand was_________more and more students showed little interest in their lessons.
He suggested that a new library_________ near the key high school.
Oh, I’m not feeling well in the stomach. I _________ so much mushroom this morning.
—Is Pro.Smith giving the speech today?—It__________ be him. He is abroad right now.
My sister met him at Ningbo Grand Theatre yesterday afternoon, so he your lecture.