– He looks as if he _____the answer. --- He has.
#103671
A
has known
B
knows
C
had known
D
knew
推荐题目
I am so tired,for I ________ English for 2 hours.
#99761
A
is studying 
B
have been studying
C
was studying 
D
had been studying
In the near future, more advances in cloning technology       by scientists.
#100756
A
are making
B
are made
C
will make
D
will be made
Don't worry. The hard work that you do now ____ later in life.
#101246
A
will be repaid
B
was being repaid
C
has been repaid
D
was repaid