After his operation, the old man was back ______ and he began to take exercise as usual.
If you _______ the medicine, you _______ better now.
Women may have six months _______ after they give birth to a baby.
If your mother doesn’t agree, there is nothing you can do____than stay at home.
Half of them,____ is 50, can speak fluent Chinese.
—Do you regret not having gone abroad? —Why should I? I ____as much, but I’m glad to devote myself to our motherland.