Everyone ________ done his or her homework.
has
have
having
None of these.
Peter,Sam and I _______ trying to solve the problem.
was
am
were
The number of people we need to hire _____ thirteen.
is
are
The twins and their parents _________ together
travel
travels
travelling
Neither the teacher nor the students ______ available.
Everybody ________ to take so many tests in a month.
hate
hates
hating
Some of the beads______ missing.
None of these
One of my greatest worries in office _____ that I could not finish my works in time.
Each _______ a different purpose.
serves
serve
serving
Time and tide ________ for no man.
wait
waiting
waits