Have you finished your homework yet?—Not yet, I ___ to do it just a few minutes ago.

Without my glasses, I couldn’t _____ whether that figure on the blackboard was a three or an eight.

He is an touristand he has interesting experiences.

Youjustthinkofyourself!Youkeptmewaitingforaboutthreehours. — Iamsorrythatyou_____thinkso. [ ]

18. Don’t worry! He ____ no attempt toleave. He will stay here to help you.