While she _____ TV, someone ______

While she _____ TV, someone _______ at the door.

#55631

watch, knocked

was watching, knocked

watching, knocking

was watching, is knocking

推荐题目

We never doubt __________Bill is honest. Because he never tell lies.

#56912

that

whether

that if

---Tom’s father looks very serious. ---___________ he is very kind.

#58392

Though

And

But

      it's difficult to make her dream come true, she never gives up.

#55197

Though

Unless

Because

—You look so tired. What’s the matter?—I was so busy that I didn’t go to bed          12 o’clock last night.

#56595

until

unless

Simon’s shirt is the same size ___________ mine.

#55505

for