--Is your uncle a pilot? --Yes. He _________ four days a week and has been to many places. 
#99518
A
travels
B
travelled
C
has travelled
D
had travelled
推荐题目
—Ken, why do you look so tired? —I _______ myself to the climate since I came here.
#101471
A
didn’t adapt
B
haven’t adapted
C
don’t adapt
D
hadn’t adapted
The theory he had stuck _______ to be true.
#104225
A
proved
B
to proving
C
to prove
D
to proved
Look at the trouble I am in! If only I __________ your advice.
#103223
A
followed
B
would follow
C
had followed
D
should follow