—Where is our English teacher?
—She is in the classroom, _____ the exercises _________ the students have done at home.
| A．explaining; / | B．explaining; for |
| C．explained; to | D．explained; from |
China is known ______ greatly in terms of its cultural values over the past few years.
| A．to change | B．having changed | C．changing | D．to have changed |
—When can I get my car back?
—I think it______sometime later today. Give me a call around 3 o’clock.
| A．will be finished | B．finishes | C．will finish | D．will be finishing |
Daniel, you______into things . How can anyone be so clumsy?
| A．always knock | B．are always knocking |
| C．always look | D．are always looking |
I need to call my friend David______coat I walked off by mistake yesterday.
| A．in whose | B．in that | C．with which | D．with her |
______the two designs ,and you will find what problem there is with yours.
| A．Comparing | B．Compared | C．To compare | D．Compare |