1-Mohamed is …………. better than me in tennis that he always wins.
A. so
B. too
C. so much
D. such

2- We should have phone masts …………. in high or remote areas.
A. to install
B. install
C. installed
D. installing

3. Experiments are the way scientists prove or………….theories.
A. solve
B. remove
C. unapprove
D. disprove​