Charles was alone at home, with_______ looking after him.
—Who _____ it be that is knocking at the door? —It ______be father, but I’m not sure.
You can't imagine _____when they received these nice Christmas presents.
The meeting was of _____, and the information he offered at the meeting was_____.
The reason_______ his coming to China was _____ he wanted to study Chinese medicine.
I was really anxious about you. You _______ home without a word.