Past Simple or Present Perfect? -.-

The businesswoman ________ her new ideas this year yet.

• didn't develop

• hasn't developed

My cousin, an entrepreneur, _______ his project 2 years ago.

• has start

• started

• has started

Patricia and Mike ___________ collaboratively since last month.

• worked

• has worked

• have worked

He _________ to work alone, so he ________ to call his friend yesterday.

• didn't wanted/decided

• haven't wanted/decided

• hasn't want/decide

• didn't want/decided

They ________ part of the same company for 4 years.

• has been

• have been

• has be

• have are

My friend _________ about working with me, and Joanne and Peter __________ about that too.

• has thought/has thought

• have thinked/have thought

• has thinked/have thinked

• has thought/have thought

In May, Mary _______ her boss to tell her that she ________ to continue working with her.

• calls/didn't wanted

• called/didn't wanted

• calls/didn't want

• called/didn't want

Since January, John, Sophie and Martha __________ 3 times to other countries to learn more about business.

• have travelled

• did travel

• travelled

• has travelled

Larry _________ for 4 companies in 2015, but he __________ any of them.

• has worked/hasn't liked

• worked/hasn't like

• worked/didn't like

• has worked/didn't like

Mark ________ very good at finances at first, but he __________ better very fast. Since April, he _________ the head of the finance department in his company.

• didn't be/got/has been

• wasn't/get/was

• wasn't/got/has been

• didn't/got/has be