We may find that learning a foreign language does not have to be________learning our mother tongue,but can in fact be twice ________.
The policemen regretted _______ as soon as possible at the alarm.
He didn’t go to detail on the subject. He spoke ________.
When I entered the classroom, I saw Mary ______ at the desk and ______ a letter.
He remained calm ________ nothing had happened,______ astonished all of us.
She always finds _____ a waste of money and time ______a day dream in school.that; to dream B. this ; to dream C. its; dreaming D. it ; dreaming