It rained so_______ that people could _______ go out yesterday morning.
| A．hardly; hard | B．hardly；hardly |
| C．hard；hardly | D．hard；hard |
You _______ wash your hands before meals. It is good for your health.
| A．may | B．can |
| C．have better | D．should |
You _______ walk across the road. It’s dangerous.
| A．may not |
| B．don’t have to |
| C．mustn’t |
| D．needn’t |
You’d better _______ too much meat. You are much too fat.
| A．not eat | B．eat |
| C．not to eat | D．don’t eat |
You should _______ the doctor’s advice and _______ the medicine on time.
| A．follow; eat | B．take; eat |
| C．follow; take | D．eat; take |
_______ necessary for us _______ our environment clean and tidy.
| A．This is; keep |
| B．That’s; to keep |
| C．It’s; to keep |
| D．It’s; keep |