Normal climbing boots slip in icy conditions, so climbers ______________iron plates with spikes , known as crampons, to their boots.
A.should be fixed
B.used to fix
C.have been fixed
D.have to fix

An apple tree _______________ fruit until it is five to eight years old
A.did not bear
B.does not bear
C.will not be borne
D.was not bearing

When he _______ an essay in on time for once, his professor _________ him a look of surprise.
A.was handed - was giving
B.handed - gave
C.hands - is given
D.has handed - would give

Your chances of success in an examination ________ if you __________ the course work thoroughly.
A.enhance - are revised
B.were enhancing - revised
C.are enhanced - revise
D.could be enhanced - would revise

Given Jenny’s rather difficult chararcter, I would be very surprised if she _______ very much, even if her stay abroad takes longer than planned
A.were missed
B.missed
C.was missing
D.were to miss

With so many different things we are_________concerning what is good for our health, we should first of all keep calm
A.being said
B.being told
C.speaking
D.talked to

The guerrillas are trained in special mountain camps. _________believed to be at least ten such camps high up in the Sierras.
A.They are
B.It is
C.There is
D.There are

Understandably, her friends ____________When Julia married someone else after being engaged to John for two years
A.were surprised
B.are surprising
C.surprised
D.Will be surprised

Nobody looked for a better manager because Geoff______________considered the only possible choice
A.would
B.was
C.had
D.has already

Roy'a attraction stemmed from the fact that his Dad ________ to own most of the land north of the site
A.had said
B.had been told
C.was said
D.was being told