No clinical studies ---- in this child disease research so ...

[ Causative Verb ]

No clinical studies —- in this child disease research so far.

A. Had completed
B. Will be completed
C. Have completed
D. Have been completed

Select your answer:
A B C D E

Other quiz:

Wh- Questions › View

A: ________ the word tiny mean?

B: It means very small.

A. Does

B. How does

C. What does

D. Why does

Reflexive Pronoun › View

My friends were talking among … and ignoring me.

Grammar › View

I’m addicted……….these sweets. I love them!

A. at

B. on

C. to

Grammar › View

What do restrictive clauses do?

A. Limit or define the noun or pronoun

B. Connect adjectives to nouns

C. Express a complete thought

D. Provide additional information