______, this article is well written because its argument is very convincing.
A. To sum up
B. To say it
C. To be clear
D. To put it
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A: "I hope you will be ready to leave on time." B: "Don’t worry. I’ll be ready by the time the taxi ______."
A. arriving
B. arrives
C. will arrive
D. will have arrived
As they were picking ______ the broken plates, they heard a loud noise upstairs.
A. out
B. down
C. off
D. up
______ to speak when the students interrupted her.
A. Hardly had she begun
B. Scarcely did she begin
C. No sooner had she begun
D. Barely she had begun
At first there were only silent films, but in 1928 sound films were introduced, ______ the characters talk as well as act.
A. on which
B. of whom
C. in which
D. about which