20.—Though it is 30 years _____ we last met, I still remember the scene _____ we got separated on a rainy day.
It’s a bad practice to ____ children much money as a New Year gift.
____ the help of experienced career instructors, this type of job-hunting training ____ to be very efficient.
——Not getting that job was a big let-down. ——Don’t worry. Something better will ____.
I spent the whole day repairing the motorbike. The work was ____ simple.
——Did your classmate accept your invitation? ——No, he ____ refused.