单项选择题
A．that B．which C．what D．it
My student card enables me to travel ______ half-price ...
单项选择题My student card enables me to travel ______ half-price ______ air.
Who was the first person ______ todayA．spoke to youB．yo...
单项选择题Who was the first person ______ today
______ we made adequate preparation, the party would ha...
单项选择题______ we made adequate preparation, the party would have been a success.
