Could you tell me ______ you will come back？
In ten minutes．（ ）
| A． |
how soon |
B． |
how often |
C． |
how long |
D． |
how fast |
The students love the teachers _____ can make their lessons fun．（ ）
| A． |
whom |
B． |
who |
C． |
whose |
D． |
which |
Bob is one of _____ boys in Class1，Grade 9．（ ）
| A． |
clever |
B． |
cleverer |
| C． |
the most clever |
D． |
the cleverest |
﹣Jack didn't go to bed _____ 12o'clock last night．
﹣That's why he was late for school this morning．（ ）
| A． |
until |
B． |
for |
C． |
to |
D． |
at |
The teenagers _____ to choose their own clothes．（ ）
| A． |
allow |
B． |
allowed |
| C． |
are allowing |
D． |
should be allowed |
______ exciting news it is!（ ）
| A． |
What |
B． |
What an |
C． |
How |
D． |
How an |