They________have arrived at lunchtime but their flight was delayed.(2011·全国 )
| A．will | B．can | C．must | D．should |
They asked me so many questions that I got .
| A．confused;confused | B．confusing;confusing |
| C．confused;confusing | D．confusing;confused |
.It is reported that the United States uses energy as the whole of Europe.
| A．as twice | B．twice much | C．twice much as | D．twice as much |
The workers are trying hard to produce as many cars as they can the people’s needs.
| A．to fit | B．meet | C．to satisfy | D．suit |
It’s generally considered unwise to give a child he or she wants.
| A．however | B．whatever | C．whichever | D．whenever |
to looking after her sick mother for two years,she badly needed a holiday.
| A．Having devoted | B．Devoted | C．To be devoted | D．To have devoted |