How was your job interview yesterday — Oh, I couldn’t feel . I could hardly answer most of the questions they asked.

Riding a bicycle can be fun. But _______ you ride a bike to work, and then there isn’t one to ride home?

下列各句中，表达得体的一句是（ ）

None of us had expected themiddle-aged engineer died __________ his design uncompleted.

She likes shopping, but she doesn’t have enough money. — _ _ .[ ]