7.Please ______ your sister to bring the ticket for the concert.
He has worked the maths problem for nearly an hour but he simply can’t work it .On ;at B. on ;out C. at ;up D. for ;out
Every means ______ tried but without much result.
______ is to attend our evening.
If you keep __________ English, you can learn English well.
__________ the assignment made his father lose his temper.