﹣Can you tell me ？
﹣He lives in Shanghai．（ ）
| A． |
where Mark lives |
B． |
where does Mark live |
| C． |
where Mark lived |
D． |
where did Mark live |
She says that she'll have to close the restaurant____business improves．（ ）
| A． |
if |
B． |
after |
C． |
unless |
D． |
when |
The girl used to be shy，but she is______ getting active in team work and willing to make friends．（ ）
| A． |
usually |
B． |
gradually |
C． |
mainly |
D． |
seldom |
He's already playing in a band， and he only_____ playing the guitar a year ago!（ ）
| A． |
took up |
B． |
set up |
C． |
put up |
D． |
gave up |
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 |
﹣Tomorrow I'll take the final examination， and I feel nervous．
﹣Don't worry， it's___to have butterflies in your stomach before an exam．（ ）
| A． |
rude |
B． |
exciting |
C． |
perfect |
D． |
natural |