Can you go shopping with me tomorrow—Sorry. I have to _____ my sick mother athome..

It is the teacher ____ taught me when I was a child ____ I am going to visit.

A has a quarter of the leading 200 in the latest ranking of the world universities, _________ 30 of the universities are in the UK．

Lingling switches on the laptop________opens a new document.　She wants _______ write her homework.

The woman in blue is Jack’s aunt.