Tiangong Ⅱ, ________ up into space in 2011, greatly inspired the whole nation once again[ ]

. —Isn’t it time you __________down to _________ your own things?—I’m sorry for the delay, Dad.

Her parents objected to _______ that farmer, though he was very rich.

On his way to the airport,it________him all of a sudden that he had forgotten his passport.[ ]

_ to smoking for a considerably long time, he has much difficulty quitting it.