If you pay for the computer in cash, you could have a 5% discount; _______ we can deliver it to you for free.
| A．in demand | B．in addition | C．in return | D．in place |
It is known to all that the US is about the same size as China, whereas its population is five times________.
| A．as few | B．fewer |
| C．as little | D．smaller |
Three days after the aircraft went missing, an international effort ________ ships and planes hasn't found any wreckage, ________ growing frustration for the families of the 239 people on board.
| A．involved; causing | B．to involve; caused |
| C．involving; causing | D．involving; having caused |
A much better way, as the press reveals, must be found to achieve an equal ________ of the resources.
| A．distribution | B．contribution |
| C．location | D．separation |
-- I wonder if you could go with me to the supermarket.
-- Don’t disturb me. I ________ my daily report this morning and haven’t finished yet.
| A．write | B．was writing |
| C．have written | D．have been writing |
According to the new rules, if a student________ happen to damage something in the campus, he/she should report it to those concerned immediately.
| A．should | B．will |
| C．shall | D．would |