A survey of health researchers ______ that four hours of exercise every week ____ good for our health.
Shall we ___________our discussion and have some tea or coffee, please?
They believed, and ___did we, that these modern paintings collected in the Shanghai Art Gallery were as valuable as those in the Museum.
One of the best ways for people to keep fit is to _____ healthy eating habits.
.When at university, Ross did many travels, some of places of interest, relics, sights and styled buildings.
---Jack, how did it __________ that you made so many mistakes in your homework? --- I myself haven’t figured them out yet.