The water supply has been cut off temporarily because the workers________one of the main pipes. (2013·天津，13)
| A．had repaired | B．have repaired |
| C．repaired | D．are repairing |
The room I __ is that big one.
| A．am referring | B．referred | C．have referred | D．referred to |
Hearing the news, Ruth could not help ___.
| A．laugh | B．laughing | C．to laugh | D．laughed |
___ from the hill, the church looks very beautiful.
| A．Seeing | B．Seen | C．To see | D．To be seen |
Mr Peter is a techer __by all the students in the school.
| A．loving | B．love | C．loved | D．be loved |
Tom’s bike needs ___. A. to repair B repairing C. repair D. be repaired