–Where is Tom? --He _______ the USA. He _______ back in two months.A. has gone to; comes B. has been to; will beC. has been to; comes D. has gone to; will be
---He's already back to Australia,__________?---____________. He is on a visit to Shanghai.
--- I bought the digital camera two months ago. --- You mean that you __________ it for two months.
---I was told to be here at this time.---Sorry, you ___________. I forgot to tell you we've changed the plan.
---Do you have any problems if you __________ this job?---Well, I’m thinking about the working day.
It’s said that scientists have ________ a way to deal with the serious disease