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
He ___ Beijing for a long time.
#104491
A
has been away
B
has left
C
has been away from
D
left
Residents ________ not to go out alone or to take part in any groups during the period of recent terrorist activities. 
#104240
A
were always being warned
B
are always warning
C
always warned
D
had always been warned
 - Will you be available at three o'clock tomorrow afternoon? - No. I ______ a lecture then.
#99897
A
are attending
B
will have attended
C
will attend
D
will be attending