This is _________ my father has taught me—to always face difficulties and hope for the best.
A. how B. which C. that D. what
—Good morning, Mr. Lee’s office.
—Good morning. I’d like to make an appointment _________ next Wednesday afternoon.
A. for B. on C. in D. at
They might have found a better hotel if they _________ a few more kilometers.
A. drove B. would drive C. were to drive D. had driven
In today’s information age, the loss of data _________ cause serious problems for a company.
A. need B. should C. can D. must
Without his support, we wouldn’t be _________ we are now.
A. how B. when C. where D. why
（题文）Ordinary soap, _________ correctly, can deal with bacteria effectively.
A. used B. to use C. using D. use
