In order to meet the deadline, Professor Smith along with his assistants       the project day and night.
#65861
A
work on
B
works at
C
is working on
D
are working on
推荐题目
Tom opened a bookstore in NO.3 Middle School, but        it closed down.
#65703
A
ever since
B
just then
C
before long
D
soon after
.__________all that fat? Want to__________? 
#78876
A
Tired of; lose weight
B
Tired from; lose your weight
C
Fed up with; put out of weight
D
Tiring from; reduce weight
This area soon ____ from the effects of the earthquake.
#71822
A
hid
B
recovered
C
concerned
D
set