It is the test system, ______ the teachers,that is to blame for the heavy burden of middle school students nowadays.
He has worked out exactly what his income will have to be during the first six months to _____ his costs.
Only when the war was over in 1945 ______ able to get back to work.
To make your argument more ________, you should put forward more supporting information.
There is something wrong with his throat; ______, Michael has to give up the singing competition.
The impatient driver received a ticket for speeding. He _______ so fast.