Although we tried to concentrate on the lecture w

听力原文：W: What can I do for you？M: I want to try on that shirt.Q: What does the man want

According to the text, the current research concentrates on______.A．the chargerB．duration

Dont let such a______ matter as this come between us so that we can concentrate on the maj

Although he tried to focus on homework, the boy was ______ by his favorite cartoon.A．distr

Dont let such a______matter as this distract us so that we can concentrate on the major is

What does the man think the company needs to concentrate on？A．Changing merchandise.B．Expan