He____sleep， although he tried to． One cup of coffee in the late afternoon caused him to stay awake almost all night．（ ）
| A． |
wouldn't |
B． |
shouldn't |
C． |
couldn't |
D． |
mustn't |
What kind of musicians do you like？
I like musicians ______ play different kinds of music．（ ）
| A． |
which |
B． |
whose |
C． |
whom |
D． |
who |
Please ______ all the lights when you leave the classroom．（ ）
| A． |
turn on |
B． |
turn off |
C． |
turn down |
D． |
turn up |
The boy in red T﹣shirt is our new classmates，______？（ ）
| A． |
isn't he |
B． |
does he |
C． |
is he |
D． |
doesn't he |
The new school ______ last year．（ ）
| A． |
builds |
B． |
built |
C． |
was built |
D． |
is built |
My parents often tell me ______ hard．（ ）
| A． |
study |
B． |
to study |
C． |
studying |
D． |
studied |