We were told that it was our _______ to read the text together.
| A．action | B．turn | C．absence | D．sign |
In my opinion, all Mr Li ______ good to his students in his class at present. He is very strict with them in their studies.
| A．does does does | B．does does do | C．does do did | D．did do does |
In a(n) _____ to help preserve history, the Greek government established a committee to undertake the professional restoration of the Acropolis.
| A．order | B．purpose | C．aim | D．gesture |
Lawrence Craven, a doctor from the USA, is the author of several published reports, one of ________ introduced the idea in 1953 _________ aspirin could reduce the risk of heart attacks.
| A．them; when | B．which; that | C．what; that | D．which; when |
In the new curriculum, some courses are, while others are optional for middle school students.
| A．traditional | B．compulsory | C．impressive | D．significant |
—How do you find the health club?
—I it. Everyone is saying its management is going from bad to worse.
| A．ought to join | B．should have joined |
| C．would rather not have joined | D．would like to have joined |