That must ____very convenient.
举一反三
- That must ____very convenient. A: is B: be C: are D: being
- I live in the school’s _________. It is very cheap and convenient.
- 中国大学MOOC: Although the subway is expensive, it is very convenient.
- Although the subway is expensive, it is very convenient. A: 正确 B: 错误
- ---What are ___________ of shopping online? -It’s very convenient and economical.