Question

1 -The engineers _______ yet.
 did not arrive
 did not arrived
 doesn't arrive
 haven't arrived
 hasn't arrived
2 - I ______ him since childhood.
 knew
 know
 known
 have known
 had knew
3 - The chief __________ to Brasília many times (go/went/gone)
 went
 go
 has gone
 is gone
 has go
4 - Jack _____________ at the CBS Company since he graduated from
college.
 is working
 works
 have worked
 has being working
 has worked

Answer 1

Resposta:

1- did not arrived

2- know

3- went

4- is working

Explicação:

espero ter ajudado