As a cleaning woman, her ______ duties include cleaning the desks and mopping the floor.
A.continuous
B.routine
C.initial
D.constant
A.sponsored
B.recommended
C.criticized
D.supervised
The library needs ______, but it'll have to wait until Sunday.
A. cleaning
B. be cleaned
C. clean
D. being cleaned
It is recommended that the screw ______ to increase accuracy of measurement.
A.is used
B.was used
C.be used
D.had been used
A.painting
B. cleaning
C. renewing
D. delivering
They agreed to order ______ the waiter recommended to them.
A.whomever
B.whoever
C.whichever
D.whatever
It is strongly recommended that teachers(use) _________computers to assist in their classroom teaching.
I this picture when I was cleaning out the attic.
A) came across
B) came upon
C) came about
D) came along