Student Teacher Dialogue (3)

Teacher: Can you explain to me when you ......... the Past Simple and when the Present Perfect?
employ
utilise
exercise
use

Student: I think the past simple is for a ......... time in the past and the present perfect is when you don't know when it was.
definite
clear
obvious
absolute

Teacher: Excellent. Now if I wanted to describe my time in Paris in 1999 with the verb 'stay', what ......... I say?
am
would
ought
have

Student: I think it is I stayed in Paris in 1999. Is that all .........?
correct
accurate
fine
right

Teacher: Absolutely perfect. Now what ......... the Present Perfect Continuous?
through
into
about
concerning

Student: That's one I never understand ......... hard I try.
whenever
however
wherever
whatever

Teacher: Well if you started living in Paris in 1999 and you are still there, you say; I have been living there ......... 1999.
since
for
till
until

Student: Yes, I see I think I understand but you have ......... many tenses in English!
to
in
also
too

Teacher: Right ......... one more. Tell me which form you use if you are going to leave Paris and you tell someone about the length of time from your arrival till now.
simply
just
justly
alone

Student: Oh, that's easy. I say: I have lived here for 6 years. I can see from the ......... on your face I am right.
depression
impression
expression
derision