... saw I haven't seen 3. Since last year traffic (double). It (increase) from 25 cars per minute in 1997 to 50 now. a. doubled, increased b. doubled, has increased c. has doubled, increased ... bought 8. I'm sorry, but I ………………… my homework. a. forgot b. have forgotten c. has forgotten 5. Choose the answer you think is correct. 1. When …………………… the company? a. have you joined b. ... never had to deal with. b. I've ever had to deal with. c. I've never had to deal with. 5. …………………… to him last week. I spoke a. I've already spoken b. I didn't spoke c. I...