The successful launch of Tiangong1 symbolizes a further step for China to join in the________of space stations previously mastered by Russia and the US.
I remember___for the job,but I forget the exact amount.
The reason ____he gave for not coming was ____his mother wouldn’t allow him to.
---We haven’t heard from Jane for a long time. ----What do you think_____to her?
—I knocked but nobody answered the door. ----They _____asleep then and didn’t hear you.
Talking over such matters with a foreigner is ____ for me.