Mrs. Smith finds it hard to clear up the mess, as her children are alwayswhenever she tries to.
| A． | in the way | B． | on watch | C． | in sight | D． | on the line |
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 |
______ in the Middle East, Jordan holds a key strategic position, _______ both Israel and Iraq.
| A．Lying; bordering | B．Locating; bordering |
| C．Lying; bordered | D．Located; bordered |
Use your head; nothing taught by others can have the same effect on you as _________learned
through practice.
| A．those | B．what | C．that | D．the one |