Many people can’t learn any lessons from the mistakes they’ve made they get hurt somehow.
| A．whether | B．unless | C．if | D．as |
In recent years, great changes have taken place in the city of Wenzhou. As we can see, many streets and roads_______.
| A．had been built and rebuilt |
| B．has been built and rebuilt |
| C．have been built and rebuilt |
| D．are being built and rebuilt |
Seeing the policeman, the thief was behaving __________ nothing had happened.
| A．even if | B．as if | C．now that | D．even though |
Tom, you ________ leave all your clothes on the floor like this next time.
| A．mustn’t | B． wouldn’t | C．needn’t | D．may not |
Although they are twin sisters, they have nothing__________.
| A．in relief | B．in peace | C．in common | D．in cash |
He is wearing sunglasses to ____ his eyes from the strong sunlight .
| A．prevent | B．protect | C．stop | D．hold |