.
Through the open window we saw on the floor the happy father lying ________ his stomach, his daughter riding excitedly on his back.
| A．on | B．with | C．above | D．from |
__________ the students, the teacher came into the room smiling.
| A．To follow | B．Follow | C．Following | D．Followed |
.I have told you the truth. ______ I keep repeating it?
A Must B Can C May D Will
Can you think of some cases ________ people can communicate only by means of body language?
| A．that | B．which | C．where | D．when |
.A great number of students said they were forced to practise the piano.
| A．to question | B．to be questioned |
| C．questioned | D．questioning |
I like _____ in spring when everything turns green and active.
| A．one | B．it | C．that | D．this |