1546. She ... one letter ... the boss gave her another one.
a) hardly typed... when
b) had hardly typed ... than
c) had hardly typed ... when
1547. The meal ... now.
a) is being prepared
b) is preparing
c) prepares
1548. This problem is too difficult. It ....
a) can explain
b) can be explained
c) can't be explained
1549. They say you must let the children .
a) to learn
b) learning
c) learn
1550. I didn't get the right number. Neither ...!
a) did 1
b) I did
c) didn't l
1551. I... a good piece of advice yesterday.
a) give
b) was given
e) am given
1552. What ... ?
a) do you laugh at
b) are you laughing at
c) you are laughing at
1553. The law doesn't permit the children ....
a) work
b) to be working
c) to work
1554. I don't understand. Neither ... !
a) do 1
b) 1 do
c) don't l
1555. It is raining.
We... do anything in the garden until it stops.
a) may not
b) can't
c) couldn't
1556. I'm very angry ! So ...!
a) am l
b) 1 do
c) do l
1557. The room ... carefully.
a) was dusted
b) has dusted
c) was dusting
1558. While breakfast... mother went to the baby's bedside. a)was prepared
b) was preparing
c) was being prepared
1559.
1... go to the cinema because I haven't done my translation.
a) can't
b) may not
c) couldn't
1560. A girl fell into the river but fortunately we ... rescue her.
a) were able to
b) might
c) can be