As the sea ice melts sooner each swimmer,polar bears are forced to come ashore earlier and face food shortages _____ they have stored enough fat to last them through the season.
|
A．before |
B．unless |
C．since |
D．until |
—What did he want to know,Anne?
—_______I could finish writing the report.
|
A．When it was that |
B．It was when that |
C．It was when |
D．When was it that |
Ladies and gentlemen,please fasten your seat belts,the plane______.
|
A．takes off |
B．is taking off |
C．is going to take off |
D．is to take off |
Without facts,we can’t form a correct opinion,for we need to have actual knowledge____ our thinking.
|
A．which to be based on |
B．on which to base |
|
C．which to base on |
D．which to base |
With a good ______ of both Chinese and English,she had an advantage over the other interviewees.
|
A．program |
B．guidance |
C．command |
D．ability |
He stayed up too late every night,______ to catch up with his classmates.
|
A．Having determined |
B．being determined |
|
C．determined |
D．to determine |
