1 There is a force ____ powerful than the fundamental forces of nature: time.
a) a bit
b) much
c) more
d) most

2 I couldn’t open the garage door. – You ____ very hard; it was not locked.
a) must have tried
b) can’t have tried
c) should have tried
d) could try

3 We have a team of detectives working hard to ____ the identity of the man and establish what exactly has happened.
a) learn
b) get to know
c) recognize
d) find out

4 If I ever have financial difficulties, I know I ____ for help.
a) always can fall on my brother
b) can always fall on my brother
c) can always turn on my brother
d) can always fall to my brother

5 Life is really simple, but we insist ____ it complicated.
a) on making
b) in making
c) on being made
d) to make

6 Xesspe ____ the first human in almost a thousand years to recognize the designs of the Nazca lines.
a) may have been
b) can have been
c) must not be
d) must has been

7 ____ anything to eat, she was forced to beg.
a) her not having
b) as having not
c) not having
d) her having not

8 More research funding ____ if people were more aware of the disease.
a) could secure
b) could have been secured
c) could have secured
d) could be secured

9 I wish I ____ straight hair; curly hair is so much nicer.
a) had
b) didn’t have
c) had had
d) had got

10 Essex Police say more than 40 drivers are to be charged for using a mobile phone while driving after they were seen ____ a crash on the motorway.
a) to be photographed
b) having been photographed
c) photographing
d) having photographed