I′m sorry.I (完全地)forgot that it was your birthday yesterday.
More than thirty groups of are working to develop a vaccine for COVID﹣19.(scientist)
Andrew was crazy about DIY, but he always made his room dirty and . (tidy)
To our surprise, an 8﹣year﹣old girl became the of the dancing competition. (win)
On Teachers' Day, students usually make cards to thank teachers. (they)
When making a fruit salad, you'd better fresh fruit. (choose)