The car's________ has improved a lot since a new engine has been applied to it.
.--- What do you think our guests ___________ be doing at the moment? --- They must be enjoying themselves at the party.
.Only in this way ______ our goals.
.11. Tom wanted to play football after school, but Jack told him ______.
.You can take as many as you can because they are free of ______.
.I don’t think ______ possible to master a foreign language without much memory work.