It’s difficult for us _____ the future.
A、predicting B、to predict C、predict
He must be in the room, because the light in the room is__________.
| A．open | B．on | C．off | D．in |
Girls are afraid of math .They think they have some learning it .
| A．questions | B．problems | C．problem | D．troubles |
His parents were worried that he too much time chatting on line.
| A．spent | B．cost | C．paid | D．had |
I__________ Lucy at the bank the other day.
| A．see | B．saw | C．was seen | D．seeing |
_ _Don’t__________ too late, or you will feel tired in class tomorrow.
_ _I won’t, Mom. Good night.
| A．wake up | B．get up | C．stand up | D．stay up |