－What were you doing when I phoned you last night?

－I ________ my painting and was starting to take a bath．

have already finished

was finishing

had finished

was going to finish

As soon as she ________ the report tomorrow, she will hand it in at once．

will finish writing

finishes to write

finishes writing

has finished written

The party the students had been looking forward to ________ yesterday evening at last．

was held

was to hold

being held

be held

I think he could have played better than he ________．

can

had done

was doing

did

I suggest that the students’ burden ________ as soon as possible．

should lighten

should have lightened

be lightened

being light

We don’t like our maths teacher, who ________ us about our careless homework and lack of diligence．

has forever criticized

forever criticize

is forever criticizing

does forever criticize

I ________ my train left at 5∶00 p.m. and was disappointed when I arrived at 4∶50 p.m. and learnt that it had just left．I found later that I ________ an out-of-date timetable．

thought; had used

have thought; had used

think; have been using

was thinking; was using

It ________ non-stop for the three days since Monday．Look, it’s raining so hard now．

has rained

is raining

has been raining

has been rained

You’d better hurry, for your mother ________ for you．

must have waited

should have waited

shouldn’t have waited

must be waiting

The town ________ a lot since I was there last in 1990．

has changed

was changing

has grown

has been grown