Tense review: present and past

I____________________ with the project this week because my colleague is on sick leave.

• deal

• am dealing

• dealt

• have dealt

Most of our employees _________________ today because of the strike.

• worked

• is not working

• are not working

• don't work

Because of the weak dollar, exports to North america _____________________ well at the moment

• do not do

• are not doing

• did not do

• have not done

Kensuke ________________ the training department six months ago.

• has joined

• was joined

• joined

• joins

She ___________________ in Canada for three years when she was at university.

• has been living

• lived

• have lived

• is living

Sorry, I _____________ using the computer yet.

• haven't finished

• don't finish

• will not finish

• hasn't finished

According to him, share prices usually ________________ at this time of year.

• decrease

• had decreased

• having decreased

• are decreasing

We are ______________________ preparing the budget for next year.

• seldom

• usually

• often

• currently

How many books __________________ since the beginning of her career?

• is she writing

• did she write

• has she written

• she has been writing

I have known Mary since I ____________ a child.

• had been

• am

• have been

• was