After Lan ____________ (eat) the cake, Lan began to feel sick

After Lan ____________ (eat) the cake, Lan began to feel sick.
If he ____________ (listen) to me, he would have got the job.
Linh didn’t arrive until I ____________ (leave).
After they ____________ (finish) lunch, they went out.
The tree was dead because it ____________ (be) arid all summer.
I ____________ (meet) him somewhere before.
They were late for the flight because they ____________ (forget) their passports.
Linh told me she ____________ (study) a lot before the exam.
The leaf was yellow because it ____________ (not/rain) all summer.
The lamp went off because I ____________ (not/pay) the electricity bill.
Hoa ____________ (not/do) her homework, so she was in trouble.
She ____________ (not/eat) so we went to a restaurant.
I couldn’t go into the cinema because I ____________ (not/bring) my tickets.
He said that He ____________ (not/visit) the US before.
Hoa and Lan ____________ (not/meet) before the exam.