Someone called me up in the middle of the night, but they hung up ________ I could answer the phone.
| A．as | B．since |
| C．until | D．before |
---Waiter! How soon can I get my food? I just have half an hour left before my train leaves.
--- It ______ be ready in five minutes.
A. may B. should C. could D need
--- What’s the model plane look like?
--- Well, the wings of the plane are ______ of its body.
| A．more than the length twice | B．twice more than the length |
| C．more than twice the length | D．more twice than the length |
Due to the widespread _______ of this medical technology, more diseases can be discovered and treated at an early stage.
| A．presentation | B．application | C．qualification | D．appreciation |
______ of danger in the street at night by police, young women had to go home with a friend or a family member ______ them.
| A．Having been warned; following |
| B．warning; following |
| C．Having warned; following |
| D．warned; followed |
______ the local authorities put more attention to the safety of the children, more than 20 lives __________ in Gansu Province.
| A．Should, would not be claimed |
| B．Had, would not have been claimed |
| C．Should, would not be cost |
| D．Had, would not have been cost |