When it comes to “empty-nest syndrome(综合症)”, parents are advised to _______regular contact with children through phone calls, emails, texts or video chats.
| A．substitute | B．sacrifice | C．associate | D．maintain |
I think_____ impresses me about his painting is the colors he uses.
| A．who | B．that | C．which | D．what |
I don’t really like the author _____ I have to admit his books are very exciting.
| A．until | B．unless | C．although | D．once |
---When shall I call, in the morning or afternoon?
----_____. I’ll be in all day.
| A．Any | B．None | C．Neither | D．Either |
I am looking forward to the day _____ my daughter can read this book and know my feelings for her.
| A．as | B．why | C．when | D．where |
You'd better write down her phone number before you _____ it.
| A．forget | B．are forgetting |
| C．forgot | D．will forget |