2017-2018学年人教版 必修一 Unit 1 Friendship-Language points课件 (40张)
2017-2018学年人教版 必修一 Unit 1 Friendship-Language points课件 (40张)第4页

用add up; add up to; add to完成句子。

1. The time I spend in commuting every day _________ two and a half hours. 2. Colorful balloons can _____ the festival atmosphere. 3. To make sure the result was correct, she ________ the figures again and again.

adds up to

add to

added up