Join the sentence halves with where, who, whose and which.
1 I know a man ...
I know a man who suffers from technophobia.
2 Silicon Valley is the place ...
3 Do you know the app ...
4 Is there an online store ...
5 This is the guy ...
6 Online surfing is something ...
7 They are the developers ...
a helps you generate and remember passwords?
b fixed my hard drive problem.
c suffers from technophobia.
d I can buy smartphone screens?
e software I often use.
f I do far too much of.
g many high-tech companies are located.