ou go by train, please see toit_______ you take an express, _______ that stops only at big stations

and his friends didn’t eat up all the food theyordered, _____ they took the rest away.

The graduation ceremony, which thousands of graduates _________ last night, was a success

下列划线词语解释错误的一项是（    ）

You look sad ____?— Oh, my grandmother’s very ill