After arriving in the United Sates, this 20-year-old Chinese student found it rather difficult to ____ living on his own.
A. rely on B. adjust to C. depend on D. stick to
---Guess what! I have own the first prize in the speaking competition.
---Congratulations! You ______ put a lot of work into it.
A. should B. must
C. should have D. must have
_____ volleyball is her main focus, she’s also great at basketball.
A. Since B. Once C. Unless D. While
Mary was much kinder to Jack than she was to the others, _______, of course, made all the others upset.
A. who B. which C. what D. that
It’s important for the figures _________ regularly.
A. to be updated B. to have been updated
C. to update D. to have updated
It sounds like something is wrong with the car’s engine. ________, we’d better take it to the garage immediately.
A. Otherwise B. If not C. If so D. But for that
