Harry telephoned to the airport to_________ whether Flight 24 for San Francisco is departing on time.
| A．prove | B．ensure | C．confirm | D．identify |
Peter’s jacket looked just the same as Jack’s, but it cost ______his.
| A．as much twice as | B．as twice much as |
| C．much as twice as | D．twice as much as |
Not until I came home last night _____to bed.
| A．Mum did go | B．did Mum go | C．went Mum | D．Mum went |
_____twice, the postman refused to deliver our letters unless we chained our dog.
| A．Being bitten | B．Bitten | C．Having bitten | D．To be bitten |
She had just finished her homework _____her mother asked her to practice playing the piano yesterday.
| A．when | B．while | C．after | D．since |
Do you dress differently because of_____you see in ad or buy things you might not_____buy?
| A．which, otherwise | B．that, therefore | C．who, moreover | D．what, otherwise |