----I can’t see the words on the blackboard clearly. ----Why, your eyes need _____. Perhaps you need ______ glasses.
My sister, an inexperienced rider, was found sitting on the bicycle ______to balance it.
In my view, London’s not as expensive in price as Tokyo but Tokyo is ______in traffic.
It is one of the funniest things ______ on the Internet so far this year.
Einstein like Bose’s paper so much that he ____ his own work and translated it into German.
--- Jack fell off the ladder yesterday, but he is all right now? ---What a lucky dog! He _________ himself badly.