When ______ you ____ to see your grandpa?
—Last weekend.
| A．do; go | B．did; go |
| C．have; gone | D．have; be |
Have you determined ___________?
| A．next to do what | B．what to do next |
| C．how to do next | D．next how to do |
---Can I help you?
---Yes, I bought this radio here yesterday, but it _____________.
| A．didn’t work | B．won’t work | C．can’t work | D．doesn’t work |
He looked very confident and calm during the test, but __________ he was extremely nervous.
| A．in trouble | B．in danger | C．in reality | D．in surprise |
It was a cold winter night, and there wasn’t anyone __________the boy could turn for help in the street.
| A．that | B．which | C．whom | D．what |
___________for his good skill, this doctor has a lot of visitors calling for help all the time.
| A．Knowing | B．To know | C．Known | D．To have known |