Tom ______the USA. He ________back in two months. A. has gone to; comes B. has gone to; will be C. has been to; comes D. has been to; will be
I am wondering ________ my invitation and join me for the trip to Hainan this summer.
They have discussed the plan for some hours but no agreement ________.
I had waited for several weeks without __________ Sam so I e-mailed him again.
--- Attention please. Your project ________ be finished by the end of this week. --- But we are up to our necks in work. ________ we finish it the next week?
In the last year alone, more than 260 types of animals disappeared or became more ________.