I was about to leave the office ______ an unexpected visitor came.
A. while B. as C when D. before
—Amazing! You wear slippers at work.
—Don’t you know it’s a fashion?
| A．must | B．should | C．can | D．may |
Tom was over there. His red clothes stood out clearly _____the snow.
| A．behind | B．for | C．against | D．beyond |
Lucy is a shy girl, but can you imagine ______ with the boss in Japanese?
| A．her quarrel | B．her to quarrel | C．her quarreling | D．she to quarrel |
---I’m very sorry to have ___ you with so many questions.
---It doesn’t matter.
| A．forbidden | B．excused | C．impressed | D．bothered |
The telegram has faded out in our life now, and gone with____ are telegraph operators.
| A．what | B．which | C．it | D．them |