Radar enables the pilot of an airliner to take off, fly and land in _____.
| A．danger | B．comfort | C．continuity | D．safety |
---I didn't apologize to him for being unable to inform him of the change in the plan.
---But you________.
| A．ought to have |
| B．have to |
| C．should |
| D．must have |
Your cousin is said ________a new computer programme recently，but do you know when he will finish it?
| A．to design |
| B．to be designing |
| C．to have been designing |
| D．to have designed |
________her mother after being separated for 20 years，she couldn't help，even though she tried not to，________.
| A．Seen；crying |
| B．To see；cry |
| C．Seeing；crying |
| D．Having seen；cry |
---You shouldn't have treated me that way.My heart is broken.
---I'm sorry，Paul. I didn't mean ________you.
| A．hurting |
| B．to hurt |
| C．hurt |
| D．having hurt |
To know more about Japan's recent nuclear radiation leak，you can use the Internet or watch CCTV news，or ________.
| A．both |
| B．neither |
| C．some |
| D．more |