--I would why he ____so strangely these days. --Recent pressure at study may account for his behavior.
#103781
A
was acting
B
is acting
C
acted
D
acts
推荐题目
——Will you come to my office when you      your work?  ——Sure. 
#103289
A
finished
B
are finishing
C
have finished
D
will finish
He______on the farm for twenty years and now he is a teacher.
#101445
A
has worked
B
had worked
C
worked
D
works
 —Do you like traveling? —Sure. I _____ to Australia six months ago, but I _____ anywhere since then.
#102982
A
went; didn’t go
B
have gone; haven’t been
C
went; haven’t been
D
went; hadn’t been