We hurried to the bus station ______that the bus had already left.
| A．only finding | B．only to find | C．to find only | D．finding only |
. ----- I don’t have any change with me. Will you pay the fare for me? ------ __________.
| A．That’s all right | B．I don’t believe you |
| C．How dare you say that | D．Sorry, but that’s no excuse |
There is a notice board at the gate of the construction, _______ reads: Keep out without permission.
| A．which | B．on which | C．where | D．in which |
Completing all the homework by the dinner, John felt very tired. He __________all day long.
| A．was studying | B．studies | C．has studied | D．had been studying |
Though working outside, he is always ________ about his aging mother at home.
| A．satisfied | B．concerned | C．particular | D．excited |
-------The weather is terrible now; our earth is badly damaged!
-------Yes. It’s urgent that everyone _________ spare no effort to do something to save our world .
| A．must | B．would | C．should | D．shall |