You can’t imagine _____ when they received these nice Christmas presents.
| A．how they were excited |
| B．how excited they were |
| C．how excited were they |
| D．they were how excited |
Tell her _____________ the radio.
A．turn down B．turning down C．to turn down
I feel it useful _________English.
A．to learn B．learn C．learning
I prefer ________his new idea.
A．try out B．to try out C．trying out
He wanted _________ an inventor .
A．to be B．being C．is
___________ is better than to receive.
A．To give B．Give C．Have given