2.  "generate……was"

3.  "originate……are"

4.  "maintain……were"

5.  "keep……is"

1.  "habit"

2.  "tradition"

3.  "practice"

4.  "custom"

1.  "antonym"

2.  "against"

3.  "enemy"

5.  "opponent"

1.  "gathering"

2.  "compilation"

4.  "assembly"

5.  "bulk"

1.  " Scientists are unable to arrive at a consensus on the notion of quantum gravity "

2.  "Einstein came up with the most baffling theory to confuse matters."

3.  "Time is inconsequential when we talk about quantum mechanics."

5.  "Quantum mechanics challenges the concept of time"

2.  "Einstein propounded the general theory of relativity"

3.  "Quantum theory of gravity would link general theory of gravity with quantum mechanics"

4.  "General theory of relativity combines time, space and gravity"

5.  "Quantum mechanics deals with subatomic particles"

2.  "alluring"

3.  "alarming"

4.  "charming"

5.  "exciting"

2.  "projected"

3.  "prospered"

4.  "thrushed"

5.  "brushed  "

2.  "Also"

3.  "Going"

4.  "Working"

5.  "Enjoying"

1.  "viewing"

3.  "seeing"

4.  "peeping "

5.  "hopping"