By the time Jack returned home from England, his son. from college.
A. graduated B. has graduated
C. had been D. had graduated
a strange plant! I've never seen it before.
A. Which B. What C. How D. Whether
When the news came the war broke out, he decided, to serve in the army.
A. since B. which C. that D. because
Bring the flowers into a warm room they'll soon open.
A. or B. and C. but D. for
around the fire, the tourists danced with the local people.
A. Gather B. To gather
C. Gathering D. To be gathering
He had no sooner finished his speech the students started cheering.
A. since B. as C. when D. than
