That must ____very convenient.
A: is
B: be
C: are
D: being
A: is
B: be
C: are
D: being
举一反三
- That must ____very convenient.
- Although the subway is expensive, it is very convenient. A: 正确 B: 错误
- 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.
- I live in the school’s _________. It is very cheap and convenient. A: schedule B: enroll C: grade D: dormitory