The science of computer, _____rapid progress has been made in recent years, is the most important of all science.
She likes playing _____ guitar while her brother is fond of playing _____ football.
I’ll go to the railway station to ______ you ______.
----- Have a nice time in the winter vacation. -----_________.
----- How often do you go home? ----- _________.
______ terrible weather we’ve been having these days!