--- I ______ so busily recently that I ______ no time to help you with your math. --- That’s OK. I can manage it by myself.
#104279
A
have been working; have
B
have worked; had
C
am working; will have
D
had been working; had had
推荐题目
Selecting a mobile phone for personal use is no easy task because technology ____ so rapidly.
#105002
A
is changing
B
has changed
C
will have changed
D
will change
By the time my mother came back from work, my sister and I ________ supper and were waiting for her at the table.
#101144
A
have cooked
B
were cooking
C
had cooked
D
would cook
— Look! How long _____ like this? — Three weeks! It’s usual here that rain _____ without stopping these days of the year.
#101106
A
had it rained; pours
B
has it been raining; pours
C
is it rained; is pouring
D
does it rain; pours
—What’s that terrible noise? —The neighbors ________ for a party.
#104750
A
have prepared
B
are preparing
C
prepare
D
will prepare