Fill in the blanks using the correct form of the verbs given in brackets.
These words may be gerunds or participles.
a. I think you prefer.............. (sleep) to......... (work).
b. We started...........(do) the sums before the teacher came in.
c. .............(watch) too much TV gives me a headache.
d. ...............(collect) stamps is an interesting hobby.
e. He likes............ (make) models of aeroplanes.
f.Thank you for......... (lend) me your badminton racket.
g.I hate ...........(wait) in queues.