Answer:
Introduction. The present perfect progressive tense, also present perfect continuous, expresses an action that begins in the past and lasts until a present or almost present moment.
When to use the present perfect progressive. The present perfect progressive is similar to the present perfect, but we use it to express a continuing or unfinished action, or emphasise ...
Conjugation of English Present Perfect Progressive Tense. To conjugate the present perfect progressive we follow the rule: have/has + been + verb in the -ing form.
Contractions. Contractions are a combination of certain pronouns, verbs and the word not. They are mostly used in spoken and informal written English.
Explanation:
Answer:
A.
Explanation:
It explains what a formal meeting is like, and a few of the rules you must follow.
I'd have to go with:
"Africanized honeybees are now known as killer bees for several scary."
How and when Killer bees were created and where, is immaterial. The main point the article is trying to make is about the Dangers of the Killer Bees and why they are so dangerous.
Robots are being controller by computers I believe or somebody actually running the computer giving the robot it’s commands that help it do it’s job.