To solve the traffic problem, more and more bridges ____________ across the river every year. 
#37206
A
were built
B
will build
C
are built
D
are building
推荐题目
---_______she ______at six every day?---No, she doesn′t.
#40074
A
Does, get up
B
Does, gets up
C
Is, get up
D
Is, getting up
Our physics teacher told us light __________ faster than sound last term.
#39709
A
travels
B
travel
C
travelled
D
travelling