listen！There is a bird _____ in the tree.
A. is singing B. sings C. singing
_____ he is very young, _____ he knows a lot.
A. Though, / B. Though, but C. Not only, but also
____ the strong wind, we had to shut up all the windows.
A. Because of B. Because C. Thanks to
China is a ____ country, while Japan is a _______ country.
A. developed, developing
B. developing, develop
C. developing, developed
There are fifty students in our class. ________ of us ______ football.
A. Three fourths; likes
B. Three forths; like
C. Three fourths; like
Jack _______ school two years ago and he______ for two years.
A. left, has gone
B. left, has been away
C. leaves, has been away
