The children had only _______ slight temperature, but the doctor regarded the illness as serious enough for ________ hospital treatment.
A．a; 不填 B．不填; the C．a; the D．不填; a
— Can I help myself to something to eat?
— Of course, you are ______ to, you are our guest.
A．required B．requested C．hoped D．expected
People who have studied ancient instruments are hoping to learn more about the culture that ______ this ancient flute.
A．produce B．produced C．is producing D．was produced
Because natural disasters occur at random times, it is difficult to warn people _______.
A．at present B．at last C．on time D．in advance
— I would never go to that supermarket again. The quality of the goods there is too poor.
— _______.
A．Nor am I B．Neither would I C．So do I D．The same with me
Many road accidents occur because drivers cannot ______ the speed of approaching vehicles.
A．conclude B．count C．measure D．value
