1、The young nurse really does not know _A___ to turn off the machine.

1、The young nurse really does not know _A___ to turn off the machine.
A what to do B how to do C when to do D where to do
2、—Have you had anyone ___D___ the trees?
—Yes,I had the trees ______.
A to water,water B to water,watered
C water,to be watered D water,watered
3、—I __D___ find her address.—It ______ be in your pocket.
A needn't,can B maybe not,must C must,can D can't,may
4、For your next vacation,why not _D___ Singapore?
A consider to visit B to consider to visit
C to consider visiting D consider visiting
5、—I hope __D__ play soccer with us tomorrow.—Yes,I hope _____.
A him to,too B he will,it too C him to,that too D he will,so too
6、Everyone except Tom and John _B____ there when the meeting began.
A is B was C are D were