I can’t go to the movies with you．I have to stay at home and________my sick sister．
A．look at
B．look after
C．look for
D．look up
The students are interested in English and they all hope________an English club．
A．join
B．joining
C．to join
D．joined
She can play the piano________than me．
A．good
B．well
C．better
D．best
The firefighters tried their best to________the forest fire．
A．work out
B．look out
C．put out
D．keep out
The first question is________harder than the second one．
A．a lot of
B．a lot
C．very
D．more
—The little girl________her seat to an old man on the crowded bus．
—How kind she is!
A．took
B．brought
C．borrowed
D．offered
