If you have any problems during your study here,please do not _______ to call me for help

The college students in China are _______ from smoking on campus because this will do them no good.

Sheisalready16yearsold.Butshe_______asifshewerestillalittlegirl.

With the help of the government , a large number of people ---_______ after the flood in 1991.

Asateacher,youshouldnot_______thestudentsfromaskingquestionsinclass.