It is obvious to the students ______ they should get well prepared for their future.
A.as | B.which | C.whether | D.that |
Peter was so excited __________ he received an invitation from his friend to visit Chongqing.
A.where |
B.that |
C.why |
D.when |
You can't borrow books from the school library __________ you get your student card.
A.before |
B.if |
C.while |
D.as |
She had just finished her homework __________ her mother asked her to practise playing the piano yesterday.
A.when |
B.while |
C.after |
D.since |
The girl had hardly rung the bell __________ the door was opened suddenly, and her friend rushed out to greet her.
A.before |
B.until |
C.as |
D.since |
As is reported, it is 100 years __________ Qinghua University was founded.
A.when |
B.before |
C.after |
D.since |