—The problem is very difficult. I'm afraid you can't work it out now.
— I fail this time, I will try it again.
| A．Even if | B．Since | C．As if | D．Though |
In our university there are several big parks ____we students can go to enjoy the beautiful scenery．
| A．to which | B．at which | C．from which | D．in which |
Jenny works hard as usual and it has___．She got the first in the final exam again．
| A．showed off | B．paid off | C．paid back | D．turned up |
No．50 High School is as new as No．48 High School．____, it is more beautiful．
| A．If anything | B．If something | C．If necessary | D．If so |
We students got lost in the forest and decided to remain ____we were and waited for the guide
| A．where | B．what | C．how | D．who |
—Oh my god! You__ wear slippers to attend the conference．
—I'm sorry I forgot there is a conference．
| A．must | B．can | C．should | D．shall |