Although medical science________control over several dangerous diseases,what worries us is that some of them are recurrent.
Rebecca was unhappy for _____ the first chance to go abroad.
To children, good habits do not come, so parents and teachers need to be their role models.
I to go for a walk, but someone called and I couldn’t get away.
Only ______ the painting _______ decide whether it is worth buying.
On the contrary, I think it is Truman, ______ you, ______ to blame.