----_________ great progress you’re made ! Congratulations !
---- Thank you !
A．What B． What a C．How D. How a
The chemistry teacher asked the students ________ more attention _________the lab clean.
A．to pay ,to keep B．to paying ,to keeping
C．to pay , to keeping D．paying ,keeping
---- My best friend left me because I hit him on the face last night .
----______________ .You were so rude.
A．It serves you right B. So you did
C．So did she D. It depends
---- If you don’t know what the new words mean , ________- in a dictionary .
A．look them up B．look them down
C．look them after D. look them over
---- ______ you ever ______ aboard ?--- Yes, but only once.
A． Do ,travel B．Have traveled
C．Did travel D． Were traveling
---Why didn’t the little boy raise his hand in class today ?
---- Maybe the questions are ______ difficult for him_______ answer .
A．too, to B．enough ,to
C．not ,to D. so ,that
