My mind wasn’t on what he was saying so I’m afraid I________________half of it.
There must have been a large number of tourists in Sanya during the past Spring Festival, __________?
The newly-discovered star was named _____ a Chinese astronomer ________of his contributions to astronomy.
–Excuse me. Can you spare me a few minutes? --_________
_______ we admit that there are still some problems about the system of modern education, we don’t mean that it is of no use.
All the employees except the manager _______ to work online at home.