Mary ________ (write) a letter to her friend a night.

　　But I don't know if she finished it.

He said he ________(work)here for two weeks.

The teacher said we ________ (have) an exam this evening.

用適當(dāng)?shù)倪B詞完成下列狀語(yǔ)從句：

It was ________ good news ________ we were all very happy to hear it.

用適當(dāng)?shù)倪B詞完成下列狀語(yǔ)從句：

I don't like summer here ________ it is very hot.

用適當(dāng)?shù)倪B詞完成下列狀語(yǔ)從句：

Three years has passed ________ we met last.

用適當(dāng)?shù)倪B詞完成下列狀語(yǔ)從句：

________ I had done my homework, I went home.

用適當(dāng)?shù)倪B詞完成下列狀語(yǔ)從句：

________ I was walking in the park, I met Mike.

用適當(dāng)?shù)倪B詞完成下列狀語(yǔ)從句：

We must do good deeds ________ Lei Feng did.

用適當(dāng)?shù)倪B詞完成下列狀語(yǔ)從句：

I didn't go home ________ I had finished my homework at school.