--Hello, Sandy. This is Jack. What are you doing?---I’m watching a match. It started at 7:00 p.m. and _____ on for another an hour.
His father and mother often argue _______ what TV programmes _________.
—Who has ____ marks in English,Wang Lin,Zhang Fang or Li Hong? 一Li Hong
After a week,he_______ good ideas to solve the problems.
The problem is so ______________ that I can solve it ________________.
Betty arrives _______ London _______ the morning of June 1st.