Bài 1: Điền vào ô trống dạng đúng của từ trong ngoặc

1. By the time they came, we __________ (wait) for hours.

2. If Ross __________ (study) harder, he would have passed the exam.

3. I wish I __________ (know) about that book earlier.

4. If it __________ (rain) tomorrow, we won't go to the park.

5. He asked me if I __________ (want) to travel abroad.

6. Rachael was going to the mall when Joey__________(see) her yesterday.

7. We had to catch a taxi because the bus __________ (arrive) late.

8. By this time next year, I __________ (graduate) from university.

9. I __________ (work) here since 2010.

10. He__________  (wait) for you all day.