Before I left home, my mother taught me ________some simple dishes, such as noodles and garlic with vegetables.
A．what cooking B．how cooking C．what to cook D．how to cook
In order to find the missing boy, the young couple all they can over the past twenty-four hours.
A．do B．did C．have been doing D．had done
The young manager is well known for his problem-solving skills, ________ is important for a successful leader.
A．it B．that C．what D．which
Not until he had left his friend _______ how important friendship was for him.
A．did he realize B．he realized C．had he realized D．he had realized
My father worked day and night. Otherwise, there ________ no one to support the family.
A．would be B．must be C．would have been D．must have been
The interviewer will begin to judge you as soon as he or she ________ you in the waiting room.
A．sees B．will see C．is seeing D．saw
