The old man sat in front of the television every evening, happy _______anything that happened to be on.
| A．to watch | B．watching | C．watched | D．to have watched |
It took us more than two hours _______ the dinner.
| A．prepare | B．preparing | C．to prepare | D．to be prepared |
We felt the earth _______.
| A．move | B．moveing | C．to move | D．be moved |
The students were made ______ the text ten times.
| A．read | B．reading | C．to read | D．to be read |
The chair looks rather hard _______, but in fact it is very comfortable.
| A．to sit | B．to sit on | C．sitting | D．sit |
Nobody knows __________next.
| A．what to do | B．to do what | C．which to do | D．how to do |