Tip of the Day:
Past obligation is always "had to". There is no "must" in the past.
I had to leave the meeting early to catch my train.
They had to invest over 5 million dollars in updates.
Quiz of the Day - Canada: Missing Word Quiz:
Fill in the missing word in this reading excerpt about Canada. This type of examination exercise is common to upper level English examinations such as Cambridge Examinations' First Certificate, CAE and Proficiency exams, as well as for the vocabulary section of the TOEFL examination.
English Worksheet of the Day - Question Forms:
Overview and short explanation of question forms for subject and object questions.