When first __________ to the market, the computer software was not a success due to its complexity in operation.
| A．introducing | B．being introduced |
| C．introduced | D．to be introduced |
His letter was so confusing that I could hardly make any ______ of it.
| A．explanation | B．meaning |
| C．sense | D．guess |
The nutrients in _____falls into the ocean quickly become available to other living creatures.[来
| A．whatever | B．whichever | C．that | D．wherever |
As we all know, Lost in Thailand is a very successful movie, the cost of ______ is only 30 million yuan.
| A．which | B．that | C．whose | D．whom |
---Will you please repeat your idea?
---Sure. But I don't think that you ________ attention.
| A．paid | B．pay | C．are paying | D．were paying |
Having been trained for one and a half years, she managed to get a professional qualificationa first – degree nurse.
| A．consisting with | B．agreed with | C．corresponding to | D．corresponded with |