What is your mother doing?---She ___ for oranges.
#41843
A
is shopping
B
is buying
C
buys
D
shops
推荐题目
—Your father isn’t in. Where is he?He    Beijing on business.
#41940
A
goes to
B
has gone to
C
went
D
has been to
 We only heard about the meeting yesterday, so it ______ yet.
#42760
A
didn’t prepare
B
hasn’t prepared
C
wasn’t prepared
D
hasn’t been prepared