Not only Jack but also I______crazy about the football match．（ ）
| A． |
am |
B． |
is |
C． |
are |
D． |
be |
Corn production____nearly 125 percent over the past 25 years in China．（ ）
| A． |
jumped |
B． |
jumps |
C． |
will jump |
D． |
has jumped |
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 |