—Mike looks unhappy. What’s wrong?
—It seems that he has some trouble __________ a problem.
A.to solve B. solving C. solves
Excuse me, Peter. There’s something wrong with my car. Could I _______?
A. go for a drive
B. get a ride
C. give me a ride
He isn’t very hard-working now, but he ______.
A. used to be B. used to C. used to do
—How long may I _______ your book?
—For a week. But you mustn’t ________ it to others.
A. borrow, lend
B. keep, lend
C. keep, borrow
I’ll telephone you as soon as Tom ________ here.
A. gets B. will get C. got
My teacher made _______ easier to work out this problem in his way.
A. this B. that C. it