According to the air traffic rules, you ___ switch off your mobile phone before boarding.
| A．may | B．can | C．would | D．shall |
Last night Mr. Crook didn’t come back at the usual time. ______, he met some friends and atayed out unitl midnght.
| A．Meanwhile | B．However | C．Instead | D．Yet |
The children loved their day trip, and they enjoyed the horse ride .
| A．most | B．more | C．less | D．little |
Peter’s jacket looked just the same as Jack’s, but it costhis.
| A．as much twice as | B．twice as much as |
| C．much as twice as | D．as twice much as |
According to statistics, a man is more than twice as likely to die of skin cancer _________ a woman.
| A．than | B．such | C．so | D．as |
It is generally believed that teaching is ___________it is a science.
| A．an art much as | B．much an art as | C．as an art much as | D．as much an art as |