–Where is Tom? --He _______ the USA. He _______ back in two months.A. has gone to; comes B. has bee to; will beC. has been to; comes D. has gone to; will be
—I’d like to take five days off, Mr. Smith. —______ . Don’t you know we’re very busy these days?
—We only live once, but if we live a wonderful life, once is enough. — ________ I agree.
As we all know, great changes _______ in China in the past thirty years.
The old man lived ______ in a small house, but he didn’t feel ______.
I ______ my mum cook dinner in the kitchen when the telephone ________.