I don’t want to leave all of you guys .– Don’t worry . I am sure you can __________ your new classmates .

The twins looked exactly the same.Even I couldn’t ___ one from the other.

It’s only five walk from our school to the football field.

English is ________ difficult for me to learn than Chinese.

Sorry,ProfessorSmith. I didn’t finish the assignment (作业, 功课) yesterday.— Oh, you____have done it asyesterday was the deadline (最后期限).[ ]