Jane _____ these families of chimps for many years and helped people understand how much they behave like humans.
#101999
A
had studied
B
studied
C
studies
D
has studied
推荐题目
–How was your trip abroad?–Great. The only pity is that I ______to buy some gifts for my friends.
#101829
A
forgot
B
forget
C
would forget
D
was forgetting
---Alice, what’s wrong with you? You look so worn out. ---Nothing serious. I my new house all day and I’m afraid I won’t finish until tomorrow afternoon.
#103905
A
have whitewashed
B
am whitewashing
C
have been whitewashing
D
shall be whitewashing
My uncle _____ in Taiwan for 20 years. Now he has settled down in mainland.
#102308
A
lived
B
had lived
C
has lived
D
was living
As she _________ the newspaper, Granny ________ asleep.
#104296
A
read; was falling
B
was reading; fell
C
was reading; was falling
D
read; fell
—Are you still busy?—Yes，I________my work，and it won't take long.
#99197
A
just finish
B
am just finishing
C
have just finished
D
am just going to finish