——Some pandas are ________.
——You’re right. We must _______ them.
A. in danger, to save B. danger, save
C. in danger, save D. danger, to save
Li Mei ________ goes to school by bike. She walks to school every day.
A. always B. usually C. never D. often
It's difficult for the boy ________ to school.
A. to get B. get C. gets D. getting
Thank you for me the good news.
A. tell B. telling C. to tell D. tells
He usually goes to school ________ his bike, but sometimes he ________ a taxi to school.
A. with, on B. by ,takes C. on, with D. on, takes
I like math, ________ it is not easy for me.
A. because B. and C. but D. so
