The math’s problem remained confusing to the boy although ______ over and over.
| A．explaining | B．being explained | C．explained | D．having explained |
I will never forget the days _____ we spent together in the country.
I will never forget the days _____ we worked together in the country.
| A．on that | B．where | C．that | D．when |
Peter _____ come with us tonight, but he isn't very sure yet.
| A．can | B．may | C．must | D．will |
Jenny _____ have kept her words. I wonder why she changed her mind.
| A．could | B．might | C．would | D．should |
_____ some of the juice—perhaps you'll like it.
| A．Trying | B．Try | C．To try | D．Have tried |
The way of _____ enough money was to sell her hair.
| A．to get | B．get | C．getting | D．got |