41. Oil and natural gas exist on this planet in a limited supply.
Therefore, it is essential for us to develop _____ to these
nonrenewable energy sources.
(A) alternatives (B) explosives
(C) infinitives (D) relatives
42. The pandemic has reminded us that _____ the future from
the recent past can be falsely reassuring.
(A) modelling (B) living (C) working (D) coating
43. Many people _____ difficulties of communication when they
confront people who do not use the same language.
(A) enrich (B) enlarge (C) encounter (D) entertain
48. Our esteemed professor known for his groundbreaking work
in quantum physics, is currently _____ sabbatical leave,
immersing himself in an array of research projects and
academic collaborations spanning continents.
(A) at (B) on (C) of (D) in
B: ___________ You look fine just the way you are.
(A) Impeccable!
(B) That’s music to my ears.
(C) You definitely dodged a bullet.
(D) Don’t beat yourself up about it.