If you want to ________ a pleasant visit, find out as much as possible about the manners and customs of your host country.
#100874
A
ensure
B
deserve
C
secure
D
serve
推荐题目
Because of my _____ English, I can’t make myself _____.
#103335
A
broken; understood
B
broken; understand
C
break; understood
D
breaking; understanding
Although the causes of cancer_____, we do not yet have any practical way to prevent it.
#104936
A
are being uncovered
B
have been uncovering
C
are uncovering
D
have uncovered
Since I won the big prize, my telephone hasn't stopped ringing. People ____to ask how I am going to spend the money.
#104012
A
phone
B
will phone
C
were phoning
D
are phoning
——What’s that noise?——Oh, I forgot to tell you. The new machine ______.
#103929
A
was tested
B
will be tested
C
is being tested
D
has been tested