I ________ about my dreams. ( )
A:write
B:writes
C:writing
将点M(﹣1,﹣5)向右平移3个单位长度得到点N,则点N所处的象限是( )
如图,四边形ABCD为梯形,AD∥BC,∠ABC=30°,∠BCD=60°,AD=4,AB=33,则下底BC的长为( )