Ladies and gentlemen，let me，if I ，introduce you my manager，Bill Wealth．（ ）
| A． |
will |
B． |
should |
C． |
must |
D． |
may |
I'm feeling terrible!I have a bad cold．
_______．You'd better see a doctor at once．（ ）
| A． |
I'm afraid not |
B． |
Sorry to hear that |
| C． |
Sounds great |
D． |
You are right． |
Our Chinese teacher didn't go to bed______ he finished his work last night．（ ）
| A． |
if |
B． |
until |
C． |
since |
D． |
because |
Mom，where is my model plane？
Oh，it____ to Jenny yesterday．（ ）
| A． |
is lent |
B． |
lends |
C． |
was lent |
D． |
lent |
The environment here becomes better and better．______ birds are coming back．（ ）
| A． |
Thousands of |
B． |
Thousand of |
| C． |
Thousands |
D． |
Thousand |
He______ speak English very well although he has studied it for only one year．（ ）
| A． |
mustn't |
B． |
can't |
C． |
must |
D． |
can |