--- Work hard,_____ you won’t do well in your lessons. --- OK. I will.
A. and B.so C. or
----_________ 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 |