The scientists __________(conduct) experiments in the lab. A. have ...

[ Grammar ]

The scientists __________(conduct) experiments in the lab.

A. have been conduct

B. have been conducting

C. has been conducting

Select your answer:
A B C D E

Other quiz:

Present Perfect › View

How long ______ (Elena, have) chronic back pain?

A. has Elena had

B. did Elena have

C. has Elena been having

D. has Elena had

Homonyms › View

Please ___ the carrots before you slice them.
a. pair
b. pare
c. pear

Identify The Tenses › View

Ramona and Rina had been studying for hour when their parents arrived home.

A. Past Simple

B. Past Continuous

C. Past Perfect

D. Past Perfect Continuous

Prepositional Phrases › View

Which sentence uses the bold word as a preposition?

A. My cousin from El Salvador is coming to visit.

B. A cry for help came from within the cave.