The day I have been looking forward to will certainly come.
In the last year, China has sent up many ______ satellites, _______ a weather satellite, a science satellite, a TV satellite and so on.
--- Don’t do that again. Don’t you think it _______? --- It maybe _______ to be successful.
Titanic is the most exciting film _______ I have ever seen.
______ has helped to save the drowning girl is worth praising.
Although the working mother is very busy, she still ______ a lot of time to her children.