[ Grammar ]
When I was young, I __ run 100m in 30 seconds. Now it only takes 15 seconds.
A. could
B. couldn’t

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Adverbial Clause, Noun Clause › View____________ hard she worked, she did not pass the exam.
A. Whatever
B. Whenever
C. However
D. Whoever
Gerunds and Infitinitives › View
I was really surprised ______ that Lucy and Adam have separated. I thought that they were very happy. (hear)
A. to hear
B. hearing
Grammar › ViewAdam …. a book now
A. is reading
B. reading
C. are reading
Tenses › View
What does your father do?
He ……………………… for a construction company.
A. works
B. is working
C. is going to work
D. worked
