Emma felt_____when her parents were on business trips．（ ）
| A． |
sadly |
B． |
angrily |
| C． |
unfortunately |
D． |
lonely |
Mom won't let Dick go out ________ he promises to be back by 10：00 tonight．（ ）
| A． |
if |
B． |
when |
C． |
since |
D． |
unless |
Wow!You ________ dinner!Let's eat now．（ ）
| A． |
cook |
B． |
are cooking |
C． |
will cook |
D． |
have cooked |
Mr．Liu is a really nice person﹣﹣﹣the ________ person I know．（ ）
| A． |
nicer |
B． |
nicest |
C． |
happier |
D． |
happiest |
Don't take the dictionary away．I ________ it．（ ）
| A． |
use |
B． |
used |
C． |
am using |
D． |
have used |
I have travelled a lot．I ________ speak four languages．（ ）
| A． |
can |
B． |
may |
C． |
must |
D． |
need |