Once _____ in a theater wearing 3D glasses, you feel as though you are caught up in the story which is showing around you.
| A．seated | B．be seated | C．to sit | D．have been sitting |
．As you the town, the first building you see is the church.
| A．cross | B．pass | C．draw | D．approach |
—How did you find the talk this morning?
—______.
| A．By asking my students | B．It was easy to find |
| C．Very disappointing | D．Just in time for it |
．The flowers _________sweet in the botanic garden attract the visitors to the beauty of nature．
| A．to smell | B．smelling | C．smelt | D．to be smelt |
．--- I will attend your lecture at 10:00 tomorrow.
--- I am sorry, by then my lecture will have ended and I ______ my guests in my office.
| A．is being met | B．will meet | C．will be meeting | D．will have met |
．He looked around and caught a man ________his hand into the pocket of a passenger．
| A．put | B．to be putting | C．to put | D．putting |