We had hoped that you would be able to visit us, but you _____.
| A．didn’t | B．hadn’t |
| C．needn’t | D．would not have |
Rather than _______ on a crowded bus, he always prefers _______ a bicycle.
| A．ride；ride | B．riding；ride | C．ride；to ride | D．to ride；riding |
Charles Babbage is generally considered ________ the first computer.
| A．to invent | B．inventing | C．to have invented | D．having invented |
. He said he would rather not _______ it right now.
| A．doing | B．to do | C．do | D．to be doing |
I’m hungry. Get me something _________.
| A．eat | B．to eat | C．eating | D．for eating |
--- I usually go there by train.
--- Why not _______ by boat for a change?
| A．to try going | B．trying to go | C．to try and go | D．try going |