________ in the traffic jam, she failed to catch the train, which mader her upset.
A. Catching B. Having caught C. To catch D. Caught
I don’t speak any French. I wish I _______ harder when I was at school.
A. had worked B. worked C. would work D. work
He was seriously injured last week and that’s _______ he didn’t participate in the competition.
A. when B. how C. why D. what
Hearing the doctor announce their son was safe and sound, the couple sighed with ________.
A. satisfaction B. relief C. interest D. permission
Anyone _______ wants to learn something can sign up for the online courses.
A. which B. who C. whose D. whom
You should never judge a person ________ his looks.
A. by B. on C. in D. with
