A.were | B.was | C.are |
A.on...of | B.at... in | C.on...on |
A.should | B.shouldn't | C.can |
A.Do; don’t | B.Did; don’t | C.Did; didn’t |
A.too much | B.so much | C.too many |
A.use ![]() | B.useful ![]() | C.used |
A.What | B.How | C.What's |