Is Jack still live here —No, he _______to London already.

Mike has much difficulty ________ Chineseso he often asks me ________ help.

My mother and her old friends talked of some things and people ________ they remembered in the school.

computer ____start, no matter how hard I try.–It might have crashed.

Would you like _______ the Mountain tommorrow— If my mother _______ . I will go with you.