---- The exam was too difficult, wasn’t it?---- Yes, ______ could not pass it.
Thank you, but I’ll have to _______ your offer.
The “Chinese Dream” is _______ dream to improve people’s well-being and ____ dream of harmony, peace and development.
--- Did you remember to give Mary the money you owed her?--- Yes.I gave it to her _____ I saw her.
The president promised to keep all the board members _____ of how the negotiations were going on.
______ chemistry is a branch of chemistry.