Only when their children leave home _________.
| A．many parents did feel a sense of loss | B．did many parents feel a sense of loss |
| C．did feel many parents a sense of loss | D．do many parents feel a sense of loss |
Look! Here comes my English teacher, ______ a group of students.
| A．following | B．to follow | C．followed | D．follows |
---You know Jane?
---Yes, it was _____ I surfed the Internet last week.
| A．that | B．when | C．why | D．whom |
---I’m wondering why the visitors chose to stay with the host family.
--______ real local life.
| A．Experiencing | B．Experience |
| C．To experience | D．Having experienced |
---How'syour project work going, Jack?
---______. I'm half finished with it.
| A．So far so good | B．It's up to you | C．Never mind | D．Forget it |
It’s better to go shopping in the supermarket than ____ home for chat.
| A．staying | B．to stay | C．stay | D．stayed |