It was not until I came here ____ I realized this place was famous for not only its beauty but also its weather.
| A．who | B．that | C．where | D．before |
My father told me he was soon going to visit ________ USA.
A. the B. a C. an D. /
John Smith is _______ honest man.
| A．an | B．a | C．the | D．one |
______(Dog)dog is ______ useful animal.
| A．a, an | B．a, the | C．the, a | D．the, / |
A talk on Chinese history __________in the school hall next Monday.
| A．be given | B．has been given | C．will be given | D．will give |
--I saw Betty go to Grandpa Li's home just now.
--Yes. She’s often seen _________ the old man with the housework..
A: help B. to help C. helps D. helped