— It’s dangerous to walk across the street carelessly.
— You’re right. We can’t be careful while crossing the street.
| A．so | B．very | C．too | D．more |
－ ________does Mary usually go to the M usic Club?－Once a week.
| A．How often | B．How long |
| C．How far | D．How much |
—______? —He is very friendly and generous.
| A．What is Hepburn like | B．What does Hepburn like |
| C．How does Hepburn like | D．How is Hepburn like |
We hope _______ members of the Red Cross.
| A．you to be | B．to be | C．you be | D．being |
This maths problem seems _____ for us to solve.
| A．easy enough | B．enough easy |
| C．easily enough | D．enough easily |
—Would you like to walk along Yueya Lake with me tomorrow afternoon?
—Certainly, ______ I am too busy.
| A．when | B．until | C．unless | D．since |