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No teachers are permitted ________ in the classroom or in the office.
A.smoke | B.smoking | C.to smoke | D.smoked |
There is a new problem involved in the popularity of private cars _____ road conditions need _____.
A.that, to be improved | B.which, to be improved |
C.where, improving | D.when, improving |
An army spokesman stressed that all the soldiers had been ordered _____ clear warning before firing any shots.
A.to issue | B.being issued | C.to have issued | D.to be issued |
The pale face of my friend suggested that he ______ in poor health, and I suggested that he ______ to see a doctor.
A.is; went | B.was; goes | C.should be; go | D.was; go |
______ is obvious that reading in bed does great harm to your eyes.
A.This | B.That | C.They | D.It |
Anything ______ could be found has been used to repair the damaged bridge.
A.that | B.which | C.when | D.what |