---Will you please stay here for the party?
---Sorry, I _____. I have to go to visit my grandfather in hospital.
| A．mustn’t | B．needn’t |
| C．can’t | D．won’t |
______ fine weather! Let’s go out to have a picnic!
A．What a B．How C．What
Susan will not arrive at the airport on time _____she hurries up．
A．once B．if C．unless
This small village _____ quiet．
A．used to be B．used be C．used to do
1 would rather _____at the hotel than _____out on the street．
A．stay；hang B．stay；to hang C．to stay：hang
He arrived home late _____the heavy rain．
A．since B．because C．because of