When you’re learning to play the piano, _______ a good teacher makes a big difference.
A. have B. having C. and have D. if have
—Is the manager available tomorrow afternoon? —No, he is busy. Otherwise he ________ the meeting.
A. had attended B. would have attended
C. would attend D. could have attended
— Mum, where is my ball? I remember I put it here yesterday. — You _______ it in the wrong place.
A. must put B. might put
C. might have put D. should have put
On workday mornings I usually ________ an hour driving to work because of the traffic jam.
A. spent B. am spending C. spend D. will spend
the website of China Daily, and you will learn more about it.
A. Having searched B. Search
C. Searching D.To search
____ has helped to protect the environment is worth praising.
A. Who B. The one C. Anyone D. Whoever
