Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.The scientists make tireless efforts. Vaccines
Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.
The scientists make tireless efforts. Vaccines for Covid-19 are developed so fast.
A. Without the tireless efforts of scientists, vaccines for Covid-19 wouldn’t be developed so fast.
B. If the scientists don’t make tireless efforts, vaccines for Covid-19 won’t be developed so fast.
C. Supposing the scientists made tireless efforts, vaccines for Covid-19 would be developed so fast.
D. If the scientists make tireless efforts, vaccines for Covid-19 will be developed so fast.