—Is there any possibility    you could pick me up at the airport?
—No problem.

After gaining my Ph D，_____________________.

An idea came to him ___ he might do the experiment in another way.

_____ suddenly occurred to me _____ I had to attend an important meeting in Shanghai the next day.

Modern science has given clear evidence ______ smoking can lead to many diseases.
A. what       B which        C. that     D where

Evidence came up ________ specific speech sounds are recognized by babies as young as 6 months old.

The view ______ many scientists hold is ______ too much emission of carbon dioxide is destructive.

Word came ______ our duties would be changed.

Mother gave me a promise_____I made progress in my English she would take me to travel .
A  that;    B that if    C  that whether ;   D whether

The scientist holds the view _______ the book said was right.