The Blacks will be back from their holiday ______two days.
| A．for | B．later | C． in | D．behind |
_________ hard and you’ll make progress in English.
| A．Work | B．Working | C．To work | D．Worked |
I’ll never forget the days ______ we spent together in the country.
| A．which | B．on which | C．when | D．on that |
---Excuse me. Where is Lily?
---Oh, she___ the volleyball match on the playground when I saw him just now.
| A．watches | B．will watch | C．is watching | D．was watching |
Fengnan __________ to be a wonderful place for visiting now.
| A．know | B．knew | C．was known | D．is known |
By the time they reached the bus stop, the bus__________ for ten minutes.
| A．had left | B．have left | C．had been away | D．have been away |