-----Who has made a mess in my room?
-----Who else it but your naughty son?
| A．could do | B．could have done | C．did | D．had done |
Alice was too surprised to hold her __________.
| A．breathed | B．breathing | C．breathe | D．breath |
Some festivals are held to honour the dead or to satisfy the ancestors, who __________ return either to help or to do harm.
| A．must | B．should | C．might | D．shall |
The couple __________about 1990, but happily they reunited on the Valentine’s day.
A. broke up B broke down C. broke out D. broke into
30. The subway __________in our city, and I’m sure there will be fewer traffic jams in the future.
| A．is building | B．is built | C．is being built | D．will build |
On hearing the humorous story, they __________.
| A．burst into crying | B．burst into laughter | C．burst into laugh | D．burst out crying |