I’m going to study medicine at a university—Hmm… ________ difficult.

It is a widely held belief____honesty and integrity(正直) are the qualities ____ a leader should be made of.

Was the suspect seen ________ that young womanin the street at that time? —Yes. The victim _________ a lot.

Was it because of the heavy snowstorm in Europe ________ the flight had to be put off？

We are ________ a school trip..