---------- the researchers developed the first flu vaccination recently was ...

[ Conjunctions ]

———- the researchers developed the first flu vaccination recently was there a reliable protection against the flu.

A. Athough

B. Whether

C. Not until

D. Since

E. No matter

Select your answer:
A B C D E

Other quiz:

Conditional Sentence › View

If the cat hides in the tree, the dog _________________ it.

A. would find

B. find

C. won’t find

D. had found

Tenses › View

The tourism sector …… out of the need to have physical holiday agencies.

A. evolves

B. is evolving

C. have evolved

D. have been evolving

Grammar › View

The boy plays baseball. What is the subject of this sentence?

A. The boy

B. Plays

C. Baseball

D. The

Grammar › View

Winters there ________ be really cold sometimes

A. May

B. Could

C. Might

D. Can