Everyone in our class( )hard.
A study B is studying C studies D studys
C,主语Everyone是单数,且应该用一般现在时,那么study改为第三人称单数选C
Let's ( ) on our first field trip.
A to go B going C go D goes
C,祈使句后面动词原形
Wu Mei does well in English,while I am good( )Maths.
A in B about C at D on
C,be good at短语,擅长