Why didn't you come to the meeting yesterday？
Sorry，I didn't know that I to come．（ ）
| A． |
was asked |
B． |
have asked |
C． |
am asking |
D． |
asked |
Yesterday， I the subway home when I suddenly found I was on the wrong line．（ ）
| A． |
took |
B． |
was taking |
C． |
had taken |
Sally， I heard you're going to America． Will you stay there？
Two whole years．（ ）
| A． |
How soon |
B． |
How often |
C． |
How long |
Wow…another gift! What's in the box？
I'm not sure． It be a pair of sports shoes．（ ）
| A． |
must |
B． |
may |
C． |
will |
A smile costs _________，but gives so much．So we should learn to smile．（ ）
| A． |
something |
B． |
anything |
C． |
nothing |
D． |
everything |
I got up early this morning my grandma at the airport．（ ）
| A． |
to pick up |
B． |
picking up |
C． |
picked up |