-Could you tell me ____ way to Taylor Clinic?-Sorry, but I'm afraid there is not _____ Taylor Clinic nearby.
It was only when I reread his poems (诗) recently _____ I began to appreciate their beauty.
I ______ her to work hard at English, but she didn’t listen to me.
—How long ____ you ____ in Singapore? —For just the weekend. I’ll be back next Monday morning.
Every possible means ___ to prevent the air pollution, but the sky is still not clear.
A friend of ______ went to the railway station to see ______.