题目内容
(用be动词的适当形式填空)It ______ Monday today. Who ______ on duty?
用所给动词的适当形式填空，每空格限填一词。
The maths problem ______ （be）easy for me, I can ______（work）it out at once.
We usually ______ （have）lunch at school, but there ______（not be）any lessons yesterday afternoon, so we ______ （have）lunch at home.
