______ you want some samples for our new products, you might contact our sales manager.
A. If
B. Whild
C. Until
D. Although
查看答案
As a sales person, _____ John lacks his confidence when he is talking with clients.
A. which
B. what
C. why
D. that
If I _________ his email address, I would have sent him a message yesterday.
A. have know
B. had known
C. will know
D. know
John spent a lot of time ________to his colleagues how challenging the project was.
A. explain
B. explaining
C. to explain
D. explained
It is the high efficiency of the new equipment ___ has increasingly attracted our attention.
A. which
B. what
C. that
D. who