Would you like to come to the party?—______, but I’m very busy preparing for the exam.

The online exposure of the diary of a government official made the public realize the extent ______ the Internet affects the society

My grandfather likes bananas _________ my grandmother doesn’t.

________ about wild plants that they decided to make a trip to Madagascar for further research. [ ]

The letters for the boss ______ on his desk but he didn’t read them until three days later