He worked hard __________ go to the best university．
A．in order that B．in order to
C．in order so D．so to
We need to buy some fruit．There are _____ apples in the fridge．
A．few B．a few C．little D．a little
The family sent clothes to the homeless and made them ______ warm in winter．
A．to feel B．feels C．feeling D．feel
A lot of trees ______ in the country every year．
A．was cut down B．cut down
C．are cut down D．will cut down
_____ he is only 4 years old，he is able to play the piano very well．
A．if B．although C．unless D．until
Working hard ________ the key _________ success of everything．
A．is,to B．is,of C．are,in D．are,for
