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

—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

推荐题目

_______ some of my students don’t pass the exam, _______ I will continue encouraging them to make success next time.

#57690

Although, but

Even if, but

/ , but

/ , and

My brother likes meat，______he doesn't like vegetables．

#56824

and

but

also

Look! _______ some juice in the glass.

#58424

There is

There are

There have

There has

—Would you like to go to the park with me?—I’d love to, ________ I’m afraid I have no time.

#55263

and

but

---Sorry, I’m late for class again.---Is it ______ you stayed up last night?

#56457

why

how

because

when